State-of-the-Art Climate Model funded by the Leonardo DiCaprio Foundation shows how we can solve the Global Climate Crisis

A transition to 100 per cent renewables and the implementation of natural climat

A transition to 100 per cent renewables and the implementation of natural climate solutions offer additional benefits beyond keeping the climate system in check.

A two-year scientific collaboration with the University of Technology Sydney, German Aerospace Center and University of Melbourne produced unique regional pathways to stay below a 1.5°C temperature rise by transitioning to 100 per cent renewable energy and implementing natural climate solutions.

As the Intergovernmental Panel on Climate Change (IPCC) Special Report warned in October 2018, the planet must be kept below the dangerous temperature rise of 1.5°C above pre-industrial levels if we are to avoid a worsening of climate-related impacts. We are already seeing the devastating consequences of a 1°C global temperature increase, including ever-rising sea levels, extreme storms, prolonged droughts, and intensified wildfires.

Now, after two years of research and modelling by leading scientists at the University of Technology Sydney, the German Aerospace Center, and the University of Melbourne, a ground-breaking new framework offers a feasible roadmap for achieving - and surpassing - the targets set by the 2016 Paris Climate Agreement.

The research produces the most detailed energy model to date, with 72 regional energy grids modelled in hourly increments through to 2050, along with a comprehensive assessment of available renewable resources like wind and solar - and configurations for meeting projected energy demand and storage most efficiently for all sectors over the next 30 years.

Lead author Dr Sven Teske, Research Director at the University of Technology Sydney’s Institute for Sustainable Futures, said: "Scientists cannot fully predict the future, but advanced modelling allows us to map out the best scenarios for creating a global energy system fit for the 21st century - and with momentum around the Paris Agreement lagging, it’s crucial that decision makers around the world can see that we can, in fact, meet global energy demand at a lower cost with clean renewables."

While climate scientists have created hundreds of models to help policy-makers understand the impacts of climate change and how to mitigate them, nearly all of these models have relied upon negative emissions technologies, which are expensive and not proven to work at scale. This model is the first to achieve the required negative emissions through natural climate solutions, including the restoration of degraded forests and other lands, along with a transition to 100 per cent renewable energy by mid-century.

Malte Meinshausen, Founding Director of the Climate and Energy College at the University of Melbourne and Potsdam Institute Fellow, said: "Citing a growing body of research, we show that using land restoration efforts to meet negative emissions requirements, along with a transition to 100 per cent renewable energy by 2050, gives the world a good chance of staying below the 1.5°C target."

A transition to 100 per cent renewables and the implementation of natural climate solutions offer additional benefits beyond keeping the climate system in check. The energy transition will be able to recycle our natural gas infrastructure and create millions of permanent jobs. Natural climate solutions could also dramatically increase sustainable livelihoods in the developing world, offering better water security and reduced soil erosion.

Justin Winters, Executive Director of the Leonardo DiCaprio Foundation, said: "Nature is the key to solving the climate crisis. Currently our wildlands and oceans absorb one-half of all CO2 emissions. While the renewable energy transition is imperative to solving the climate crisis, it isn’t enough. As this climate model shows, in order to keep the global temperature rise to no more than 1.5°C, we have to keep our natural carbon sinks intact, scale up restoration efforts and shift to regenerative agriculture."

The proposed energy transition outlined in the climate model is estimated to cost approximately $1.7 trillion per year. This sounds like a lot, but it pales in comparison to the vast subsidies that governments currently provide to prop up the polluting fossil fuels largely responsible for climate change, estimated at more than $5 trillion a year - $10 million a minute, every day, according to the IMF. The research tells us that we could be creating the clean energy future we so desperately need for less than one-quarter of the cost.

Leonardo DiCaprio, Founder of LDF, said: "With the pace of urgent climate warnings now increasing, it’s clear that our planet cannot wait for meaningful action. This ambitious and necessary pathway shows that a transition to 100 per cent renewable energy and strong measures to protect and restore our natural ecosystems, taken together, can deliver a more stable climate within a single generation."

Grand Challenges Explorations grant awarded for groundbreaking research in global health and development

The University of Melbourne was announced as a winner of a global Grand Challenges Explorations grant - an initiative funded by the Bill & Melinda Gates Foundation.

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