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Articles on Global warming

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Leaders speak during a plenary session at the COP28 UN climate summit, Dec. 13, 2023, in Dubai, United Arab Emirates. COP28 was notable for being the first COP to provide a substantial platform for sub-national groups. (AP Photo/Kamran Jebreili)

It’s time we include cities and regions as equal partners in global climate negotiations

Subnational authorities are leading the charge on a just transition and dealing with climate change impacts. It is time for this key role to be reflected in international climate negotiations.
Water from the Mackenzie River, seen from a satellite, carries silt and nutrients from land to the Arctic Ocean. Jesse Allen/NASA Earth Observatory

Arctic rivers face big changes with a warming climate, permafrost thaw and an accelerating water cycle − the effects will have global consequences

A new study shows how thawing permafrost and intensifying storms will change how water moves into and through Arctic rivers.
An aerial view of pools of brine that slowly evaporate, leaving behind lithium and other minerals, in the SQM mine in the San Pedro de Atacama desert, in northern Chile, on April 18, 2023. (AP Photo/Rodrigo Abd)

The importance of critical minerals should not condone their extraction at all costs

The temptation to justify critical minerals mining at all costs is a dangerous fallacy. The social and environmental impacts of poorly mined critical minerals are dire.
Flares burn at the Shell Norco Manufacturing Complex in 2021, in Norco, La. Plants like this produce not only greenhouse gas emissions, but also excess heat. (AP Photo/Gerald Herbert)

Thermoelectric technologies can help power a zero-carbon future

Human societies produce huge amounts of excess heat. Turning it into electricity could play a key role in achieving a net-zero society.
People walking on a pathway watch crews flood the ice on the Rideau Canal Skateway in Ottawa on Feb. 17, 2024. The Skateway opened in late January but mild weather and freezing rain forced it to close after only four days. THE CANADIAN PRESS/Justin Tang

How global warming is reshaping winter life in Canada

Global warming is melting away an iconic cornerstone of Canadian culture — outdoor skating.
Signs reflecting conspiracy theories around the 15-minute city are displayed outside Parliament Hill in May 2023. Alongside other comparable initiatives, 15-minute cities represent an effort to place collective health and well-being at the centre of urban planning. (Shutterstock)

New study reveals four critical barriers to building healthier Canadian cities

Canada’s cities must be planned around resident health and well-being, our research reveals the key barriers to developing truly healthy cities.
Too much fresh water from Greenland’s ice sheet can slow the Atlantic Ocean’s circulation. Paul Souders/Stone via Getty Images

Atlantic Ocean is headed for a tipping point − once melting glaciers shut down the Gulf Stream, we would see extreme climate change within decades, study shows

Scientists now have a better understanding of the risks ahead and a new early warning signal to watch for.

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