Tag Archives: Greenhouse gas emissions

Why tackling deforestation is so important for slowing climate change

Dudarev Mikhail/Shutterstock Tom Pugh, Lund University Humanity injects an almost incomprehensible 42 billion tonnes of carbon dioxide (CO₂) into the atmosphere every year. The majority of this comes from burning fossil fuels, but a substantial portion, about 16%, arises from how we use the land. Most of these land-use emissions are caused by deforestation, particularly in the tropics. In order …

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Tesla’s Bitcoin about-face is a warning for cryptocurrencies that ignore climate change

Shutterstock John Hawkins, University of Canberra Over the weekend, Tesla chief executive Elon Musk suggested his company could sell off its Bitcoin holdings, sending the cryptocurrency plummeting. It followed Musk’s announcement earlier this month that his company would no longer accept Bitcoin in payment for its electric cars, due to the fossil fuels needed to create the digital currency. Bitcoin …

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Global food system emissions alone threaten warming beyond 1.5°C – but we can act now to stop it

Pajtica/Shutterstock John Lynch, University of Oxford How people grow food and the way we use the land is an important, though often overlooked, contributor to climate change. While most people recognise the role of burning fossil fuels in heating the atmosphere, there has been less discussion about the necessary changes for bringing agriculture in line with a “net-zero” world. But …

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