Articles on Climate change

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Tighter emissions standards create costs for truck manufacturers yet provide health benefits for society. How should they be weighed? Lesterman

Why a minor change to how EPA makes rules could radically reduce environmental protection

EPA Administrator Scott Pruitt has proposed steps that would reduce economic benefits to society from new regulations. An economist who worked for Presidents Clinton and Obama calls this a strategy to justify deregulation.
As the world prevaricates over climate action, Antarctica’s future is shrouded in uncertainty. Hamish Pritchard/British Antarctic Survey

Antarctica has lost 3 trillion tonnes of ice in 25 years. Time is running out for the frozen continent

What will Antarctica look like in 2070? Will the icy wilderness we know today survive, or will it succumb to climate change and human pressure? Our choices over the coming decade will seal its fate.
The northeast edge of the Venable Ice Shelf, near Antarctica’s Allison Peninsula. NASA/John Sonntag

Short-term changes in Antarctica’s ice shelves are key to predicting their long-term fate

Last summer one of Antarctica's floating ice shelves calved an iceberg the size of Delaware – but scientists say other less dramatic changes reveal more about how and why Antarctica is changing.
A large dust storm, or haboob, sweeps across downtown Phoenix on July 21, 2012. AP Photo/Ross D. Franklin, File

Increased deaths and illnesses from inhaling airborne dust: An understudied impact of climate change

New research projects that climate change could greatly increase airborne dust levels in the southwestern US, causing higher hospital admissions and premature deaths from heart and lung ailments.
Small aircraft carry scientists high above the Southern Alps to survey glacier changes. Hamish McCormick/NIWA

A bird’s eye view of New Zealand’s changing glaciers

Forty years of continuous end-of-summer snowline monitoring of New Zealand's glaciers brings the issue of human-induced climate change into tight focus.
Demonstrators protest the Trans Mountain pipeline expansion – and compare Justin Trudeau to Donald Trump – at a gathering in Vancouver on May 29, 2018. The controversy over the pipeline requires a national compromise. THE CANADIAN PRESS/Darryl Dyck

Canadians deserve a real pipeline compromise

The Trans Mountain Pipeline Expansion is fast becoming one of the most divisive issues in Canadian politics in years. Here's how a compromise can be reached.

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