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Greenland Ice May Melt Quicker Than Scientists Thought
Two studies published in Nature Wednesday show seemingly contradictory visions for Greenland's past and the future of its ice sheet, but actually describe different aspects of the ice.
Meltwater on the Greenland ice sheet carved this canyon. Ian Joughin
One study finds that Greenland's ice sheet may have melted almost completely and repeatedly during the last 1.4 million years, suggesting the ice is more sensitive to warming than currently thought.
The second concluded that the ice on the very easternmost coast has been stable over a 7.5 million year period. Scientists working on both studies say that their results could be compatible: both demonstrate the volatility of the ice sheet, both show that more research is needed, and that while the majority of the island's ice has melted multiple times, the high altitude east coast has remained icy. Determining the ice sheet's response to warming is crucial, because its melting could raise global sea levels by up to 24 feet.
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It's become a familiar story with the Trump administration: Scientists write a report that shows the administration's policies will cause environmental damage, then the administration buries the report and fires the scientists.
By Jake Johnson
Calling the global climate crisis both the greatest threat facing the U.S. and the greatest opportunity for transformative change, Sen. Bernie Sanders unveiled today a comprehensive Green New Deal proposal that would transition the U.S. economy to 100 percent renewable energy and create 20 million well-paying union jobs over a decade.
The Parties to CITES agreed to list giraffes on Appendix II of the Convention on International Trade in Endangered Species (CITES) today at the World Wildlife Conference or CoP18 in Geneva. Such protections will ensure that all giraffe parts trade were legally acquired and not sourced from the poached giraffes trade and will require countries to make non-detriment findings before allowing giraffe exports. The listing will also enable the collection of international trade data for giraffes that might justify greater protections at both CITES and other venues in the future.
The WHO stressed that more research is needed on the potential health risks of microplastic ingestion. luchschen / iStock / Getty Images Plus
The UN's health agency on Thursday said that microplastics contained in drinking water posed a "low" risk at their current levels.
However, the World Health Organization (WHO) — in its first report on the potential health risks of microplastic ingestion — also stressed more research was needed to reassure consumers.