FAQs

Is 1.5 degrees of warming really that bad? 
Why should Australia decrease emissions if larger countries are bigger culprits? 
Should we move to electric vehicles if there is nowhere to recycle the batteries?
 

We’ve collected the top FAQs we hear across the community.
We hope you find them useful.

Making a difference

  • There are a few answers to this question!

    Firstly, this question could be asked of all significant social challenges. Historically speaking, it has only ever been via the collective action of many individuals that great social challenge has been achieved. As an individual we feel small, but as a collective we are great.

    Secondly, the Australian Jewish community has a particularly powerful role to play because even individuals are part of very strong and connected social networks. An individual action that is effectively spread through a school, a shul, a community centre, a friendship circle or family group, as some examples, has far greater impact than just an individual action.

    The third answer to this one is individuals are part of a political system and a corporate system. Political solutions to climate change are critical this decade and politicians are motivated above all by what their voters demand from them. An individual voter who tells their politicians that they want ambitious climate action will stand out because very few people communicate what it is they want. So, an individual political act like writing a letter or making a phone call to an MP is very powerful. Similarly, an individual who works in a company and has a position of influence, or who is able to bring other staff team members together to impact their company's policies and approach to climate change has significant ability to make change.

    Finally, there's also the ethical position of an individual taking a stand on something that they believe in. Many of us would have examples of issues that we deeply care about, and decide to take action on, even though we are only an individual because we want to be on the right side of history and also to have our internal values matching our external actions.

  • While many of us have had negative experiences engaging with politics and are sick of the partisan fighting around climate solutions, politicians at all levels, Local Government, State and Federal are key to the solution. The reasons for this are, firstly, they have access to more capital than private industry by a huge magnitude and their ability to direct billions, if not trillions of dollars towards climate solutions is a power that no other entity in society has. We saw an example of this during the COVID pandemic where hundreds of billions of dollars was immediately released to deal with a global problem.

    The second reason is that politicians are the only members of society capable of making laws and regulations. Private industry that is responsible for developing new technologies needs an enabling environment created by law and regulation, making it as easy and smooth as possible for these technologies to be developed, to be scaled and to be funded.

    The third reason engaging with politics and politicians is indispensable is because they can enforce the laws and regulations that are so essential to staying on track with climate action.

  • Australia does indeed only create about 1.5% of total global emissions. Nevertheless, it is an important player in decarbonising the world for a few reasons.

    The first is, we are the top exporter of fossil fuels to the rest of the world. If these exports are included in Australia’s emissions profile, we are then the 6th most climate polluting nation. If we shift our industry from fossil fuels to renewable energy we can in turn influence the electricity grids and energy use of many other high emitting countries around the world. We can do this by exporting, for example, solar energy via a cable under the ocean. We actually plan to do this from the Northern Territory via the Sun Cable Project which will produce 20% of Singapore's energy by 2027.

    The second reason why Australia is an important player in reducing its emissions is because we actually have the highest per capita emissions profile in the world.

    The third reason why it's so important for Australia to take action and to not leave it to others, is because we are an important middle power that has influence in diplomatic circles such as the UN or the UN Security Council or other international bodies where our voice is much sought after.

    Finally, there's the philosophical answer which is that just because a person, or a company, or a country cannot solve the whole problem doesn't mean that they shouldn't do what is within their power. As Jewish tradition teaches us: it is not your role to complete the work but neither are you free to desist from it.

    It is also well established that developed countries like Australia, America and those in Europe, have had the advantage of the Industrial Revolution to develop over the last 250 years, an opportunity that many developing countries have not had. Therefore the imperative is on developed countries to use their wealth and existing technologies to decarbonise their economies a lot quicker than everybody else. They will take on a bit more of the burden, but that is only fair because they have received all of the economic and health benefits over the last 200 years of being high emitting countries. This will make all of the critical technologies that we need far more affordable for the developing countries to then also expand them at scale and reduce their emissions. So there is a difference between equality and equity when demanding ambitious climate policies from certain countries.

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Climate science

  • The best analogy for this question is the human body. The human body is very carefully calibrated at a temperature of 37 degrees and we all know that if our temperature rises by 1, 2 or 3 degrees, we immediately begin to suffer a fever and are at risk of death after only a relatively small change in body temperature. The earth’s climate system is much the same.

    In effect, what science and scientists have concluded is that every 0.1 of a degree makes a massive difference to the overall planetary system and a 1 degree increase, much like in a human body, creates a planetary fever. The fever results in an increase in the intensity, duration and frequency of extreme weather events that impact all of our lives. Extreme weather examples of forest fires, storms, floods, droughts and extreme heat.

    Every 0.1 degree makes a huge difference because for every step closer to 1.5 or 2 degrees of overall warming since the Industrial Revolution we risk what scientists describe as breaching 'tipping points.' When we break ‘tipping points’, we can create a cascading effect on our weather systems that can be irreversible.

    For example the Siberian permafrost is a massive area of frozen land of approximately 100,000 square kilometres underneath which there are massive amounts of methane that have remained stored beneath the frozen surface for millennia. As we get closer to 1.5 and 2 degrees we risk melting that permafrost which will release huge amounts of methane, in turn heating the planet even faster, and a hotter planet melts the ice even more, and more melted ice releases more methane and so on and so forth.

Electric Vehicles

  • Charge Together Victoria have released a EV Fleet Transition guide. Greenpeace also released a guide here.

  • While circular supply chains for electric vehicle batteries are yet to be fully rolled out, rapid progress is being made on the issue. Given that the battery packs on EV models sold in 2023 will last beyond 2035 before requiring replacement, it is very likely that by this time comprehensive battery recycling programs will be established.

    For example, California-based Redwood Materials – an EV battery recycling company – already collects more than 1200 EV batteries annually and extracts and recycles 95% of the metals, including lithium, cobalt, nickel and copper. Their goal, similar to other leading companies in the space, is to make it cheaper to recycle these metals than it is to mine them, leading to a truly circular economy for EV batteries. As EV adoption increases so will the demand for battery recycling programs; and increasing economies of scale will help speed up the industry’s development.

    In Australia, EV batteries requiring recycling are usually sent overseas for processing, as the industry does not yet exist here. By 2036, it is estimated that 180,000 tonnes of EV batteries will require recycling in Australia. If we can implement recycling programs to manage this waste this would lead to a $30 billion windfall, so the economic incentives are clear. Leadership from the government in the form of policies and strategies will further support the establishment of this industry, as will consumer pressure on EV manufacturers. When purchasing an EV, ensure to enquire about the company’s battery recycling plans, and let your local representatives know that this issue is important to you.

    "Obviously, if the industry doesn't step up, I've no doubt that government would regulate in this space — just because of the massive number of batteries that are going to be coming to end of life in the not too distant future."
    Libby Chaplin, CEO of the Battery Stewardship Council Australia

  • This has been widely debunked by scientists and experts. In fact, EVs have one-third the lifetime emissions of a traditional internal combustion engine (ICE) car even when taking manufacturing and mining into account.

    It is true that the production of EVs, particularly the manufacturing of their lithium-ion batteries, requires significant energy and resources, leading to higher initial emissions compared to manufacturing ICE vehicles. However, this is a one-time "debt" of emissions that is rapidly paid off as the EV is used. Studies show that an average EV makes up for its initial emissions debt within 6 months to three years of average driving kilometres, depending on how “green” the electricity used to charge the car is. After this point, the EV will keep getting cleaner over time as the electricity grid becomes more renewable, whereas a petrol or diesel car will keep emitting CO2 every time it's driven.

    Check out the Electric Vehicle Council’s CO2 calculator to compare a petrol and electric vehicles of the same size: https://electricvehiclecouncil.com.au/lifecycle-emissions-calculator/

    Furthermore, EVs last longer due to their simplified mechanical design and lower maintenance requirements: they don't require oil changes, spark plug replacements, or other routine maintenance that can wear down a traditional car over time. As a result, the overall lifespan of an EV can significantly exceed that of an ICE vehicle. New model EV batteries under development can last up to 2,000,000km before replacement, meaning that EVs in the near future should be able to last 5 to 10x longer than ICE models, reducing the demand on for manufacturing new cars.

  • Any form of mining or extraction, including lithium mining, can have significant environmental impacts. These can include water pollution and depletion, habitat destruction, and soil erosion.

    It's crucial however to compare the environmental impact of lithium mining for EVs with the ongoing environmental impact of sourcing fossil fuels for petrol vehicles, which include not just extraction but also refinement, distribution, and the ongoing burning of the resource.

    Consider that an electric vehicle driving 200,000 km over its lifetime requires mining and production of a one-off 160kg battery. Comparatively, over the same distance a petrol car will require 17,000 litres of petrol to be extracted, refined and delivered. This is visualised below:

    Image.

    Evidently, the overall extractive pressure on our planet’s resources is far more with petrol vehicles. More so, EV batteries are 95% recyclable (as discussed above), so these mined metals can be used again and again. Not so with petrol or diesel.

    It is important to note that ultimately the most environmentally-friendly approach is to become less dependent on cars in the first place: how can we share vehicles, carpool, use bicycles, get around on public transport and create walkable spaces. Reducing our reliance on cars, whether EVs or petrol, is the best way to reduce emissions.

Interim solutions

  • Nuclear is part of the renewable energy mix globally (it has been in Europe for decades) and shouldn’t be discounted outright, but it’s unlikely to be a good solution for Australia for a number of reasons.

    Firstly, the CSIRO GenCost Report 2021 (updated 2022) showed that nuclear energy was the most expensive form of electricity generation - far more expensive than wind or solar power, even when taking into account the cost of transmission lines and energy storage for times when wind isn't blowing and sun is not shining. If we can build and scale renewable energy that is cheaper than nuclear, savings can be redirected to other essential services and further efforts to decarbonise the economy.

    Secondly, Australia has one of the lowest population densities in the world, with very few people per square kilometer living on vast areas of available land. This, coupled with a world-class solar and wind energy resource, makes Australia perfectly positioned to harness these sources of energy (where other high-density countries do not have this luxury). As Dr Saul Griffith notes in The Big Switch (2022): “Lots of land, lots of sunshine, not a lot of people.”

    Thirdly, in Australia we don't have a tradition of creating nuclear energy as part of our mainstream electricity mix, so it could take many years (if ever) to get the mainstream political and community will needed to accept nuclear. Similarly, we don’t have a developed nuclear industry like some other countries do and we would be developing Australia’s capacity from scratch. Further, the development and construction time-lines for new nuclear plants is complex and can take many years.

    The latest science we have confirms we must peak emissions by 2025 and cut emissions by >50% by 2030 (compared to 2005 levels) to avoid the key threshold of 1.5 degrees of global heating. The time it would take to secure the political and community will, develop local nuclear capacity, and build the plants we needed, would take us will into the 2030s and 40s. By this time, it will be too late to bring nuclear into the mix. In that time, we could have transitioned Australia to 100% renewable energy using existing, cheaper sources such as wind and solar, together with crucial, fast-evolving and increasingly cheaper battery storage.

    Read more here about why small and modern nuclear reactors are not viable.

  • This is a common misconception. The vast majority of technologies that we need to achieve over 50% emissions reductions before 2030 are already in existence. Technologies like solar, wind, hydro and batteries are proliferating rapidly, and if they were scaled to their maximum potential and in the most strategic ways, we would achieve all of the reductions that we need to achieve this decade.

    During that time, we would also have the opportunity to develop the remaining technologies that we would use in the 30's and 40's that have not yet been developed, as an example, technologies like large scale hydrogen and other e-fuels that we would need for zero-emission shipping and aeroplanes, technologies around heavy industry like green steel and cement, and technologies that enable us to remove carbon from the atmosphere.