President Joe Biden has pledged sweeping action on climate change but struggled to deliver it. A legal scholar explains why a national emergency declaration should be a last resort.
This direct air capture plant in Iceland was designed to capture 4,000 metric tons of carbon dioxide per year.
Climeworks 2021 via AP Photos
In a 6-3 ruling, the Supreme Court held that an Obama administration plan to regulate carbon emissions from power plants exceeded the power that Congress gave to the Environmental Protection Agency.
Thanks to their high concentrations of phytoplankton, African lakes emit less CO2 than their boreal counterparts, with important consequences for climate modelling.
Clean energy and electric vehicles are key to a successful energy transition.
NREL
Julien Emile-Geay, USC Dornsife College of Letters, Arts and Sciences
Thanks to humans, the concentration of planet-warming carbon dioxide in the atmosphere is now 50% higher than before the industrial era. These gases are raising Earth’s temperature.
Carbon footprints have a complex history.
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The war in Ukraine threatens to turn back the clock on Russia’s climate progress, with some calling on the country to leave the Paris Agreement and roll back environmental regulations.
The price of bitcoin has tumbled.
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Drained peatlands contribute five per cent of global carbon emissions. Paludiculture, or agriculture on wet peatlands, protects peatlands and allows farmers to maintain their livelihoods.
When groundwater comes to the surface, sunlight and air convert organic molecules to greenhouse gases. That’s going to be a problem as we will need this water more as the world warms.
Marine ecosystems across Canada’s coasts, such as eelgrass meadows that provide an important habitat for juvenile species, are threatened by human activities and climate change.
(Nicolas Winkler)
It is time to acknowledge and address the rapid shifts in Canada’s oceans. To meet this challenge, Canada’s marine conservation toolbox — starting with the Oceans Act — needs an overhaul.