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Articles on Fossil fuels

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Trees scorched by the Caldor Fire smoulder in the Eldorado National Forest, Calif., Sept. 3, 2021. (AP Photo/Jae C. Hong)

Planting trees can help the climate, but only if we also stop burning fossil fuels

Planting trees and preventing deforestation can store carbon in nature, but the effect may only be temporary. If we also eliminate emissions from fossil fuels, even this temporary effect is important.
In an effort to reduce the growing problem of food waste disposal, researchers are focusing on developing new green technologies that use food waste to generate clean energy. (Shutterstock)

Here’s how food waste can generate clean energy

Technologies like biomass gasification can help tackle the growing global problem of food waste.
The war in Ukraine will have major implications for energy and climate change, in Canada and the rest of the world, far into the future. THE CANADIAN PRESS/Frank Gunn

How the war in Ukraine will shape Canada’s energy policy — and climate change

New relationships between energy, geopolitical security and climate change policy flowing from the invasion of Ukraine are beginning to emerge, and the implications could be enormous.
Climate marches, like this one in Glasgow during the COP26 climate conference in November 2021, can help people move from worry to action. AP Photo/Scott Heppell)

The climate crisis demands courage not optimism

Instead of asking about optimism, it’s time to ask what we as citizens are going to do about climate change.
Natural Resources Minister Jonathan Wilkinson is overhauling a methane-reduction program after a scathing report from Canada’s environment commissioner. THE CANADIAN PRESS/Justin Tang

Canada praised for climate leadership despite scathing watchdog report on climate-policy failures

As one of the few countries to have enshrined net-zero into law, Canada has earned praise for its climate leadership. Yet an independent report calls out its continued failures to reduce emissions.
One ‘mechanical tree’ is about 1,000 times faster at removing carbon dioxide from air than a natural tree. The first is to start operating in Arizona in 2022. Illustration via Arizona State University

These machines scrub greenhouse gases from the air – an inventor of direct air capture technology shows how it works

Klaus Lackner is finding new ways to cut the technology’s high costs and energy demand, and he’s about to launch the first ‘mechanical tree’.

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