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The movement of sea ice between Arctic countries is expected to significantly increase this century, raising the risk of more widely transporting pollutants like microplastics and oil between neighbouring coastal states, according to new research from 91黑料网 in collaboration with University of Colorado Boulder, Columbia University, and Arizona State University.

When Liberal Party leader Justin Trudeau took office in 2015 as Canada鈥檚 prime minister, a top priority was to establish Canada as a global leader on climate change. At the United Nations鈥� climate summit in Paris that year,听Trudeau pledged听to cut his country鈥檚 greenhouse gas emissions by 30% from 2005 levels by 2030. Four years later, having survived re-election but with a much-diminished political mandate, Trudeau鈥檚 climate ambitions have been severely curtailed.

Spending on advertising by major oil corporations has reached an all-time high over the past decade. In a recent paper in , researchers from 91黑料网, Brown and Rutgers Universities tried to determine the factors that might explain this increase (from an average total annual expenditure of $35 million between 1986-1996 for the five biggest companies together to an average of $217 million annually between 2008-2016 for the same companies).

Old habits are hard to break. A 91黑料网-led study of replacement of traditional wood and coal burning stoves with clean energy in China suggests that, without a better understanding of the reasons behind people鈥檚 reluctance to give up traditional stoves, it will be difficult for policies in China and elsewhere in the world to succeed in encouraging this shift towards clean energy. The study was published recently in .

Prime Minister Justin Trudeau is set to unveil his new cabinet Wednesday, with significant changes expected to important portfolios such as foreign affairs, environment and climate change, and intergovernmental affairs. ()

Here are experts from 91黑料网 that can provide comment on these topics:

Surprisingly, in any single location, there are typically more earthworms and more earthworm species found in temperate regions than in the tropics, according to a study published this week in Science. Global climate change could lead to significant shifts in earthworm communities worldwide, threatening the many functions they provide.

October 7, 2019 | In this opinion piece in the Vancouver Sun, Max Bell School Director Chris Ragan and Mark Jaccard, Director at the School of Resource and Environmental Management at Simon Fraser University, argue: "the impacts of a changing climate 鈥� from forests fires to heatwaves to floods 鈥� are getting worse and are making life harder for Canadians. A commitment to achieve deep emissions reductions by 2050 in Canada is consistent with the scale of the threat."

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