The Eco News Roundup brings stories and commentary about issues related to climate change, renewable energy and the environment.
Global warming is on track to cause a major wipeout of insects, compounding already severe losses, according to a new analysis.
Insects are vital to most ecosystems and a widespread collapse would cause extremely far-reaching disruption to life on Earth, the scientists warn. Their research shows that, even with all the carbon cuts already pledged by nations so far, climate change would make almost half of insect habitat unsuitable by the end of the century, with pollinators like bees particularly affected.
However, if climate change could be limited to a temperature rise of 1.5C – the very ambitious goal included in the global Paris agreement – the losses of insects are far lower.
As temperatures at the North Pole approached the melting point this week and the Arctic ice thins toward the vanishing point, new research suggests that the extraordinary records being set year after year are a manifestation of manmade climate change.
One new study, published last week in the journal Weather and Climate Extremes, found that unusual heat that hit the Arctic in 2016 could not have happened without the increases in greenhouse gas emissions since the Industrial Revolution, which has set off a feedback loop of rising temperatures and dwindling sea ice.
April was the first month in recorded history with an average concentration of atmospheric carbon dioxide topping 410 parts per million (ppm).
This dubious new milestone was recorded at the Mauna Loa Observatory in Hawaii by the Keeling Curve, a program of the Scripps Institution of Oceanography at the University of California San Diego.
Florida’s mangroves have been forced into a hasty retreat by sea level rise and now face being drowned, imperiling coastal communities and the prized Everglades wetlands, researchers have found.
Mangroves in south-east Florida in an area studied by the researchers have been on a “death march” inland as they edge away from the swelling ocean but have now hit a manmade levee and are likely to be submerged by water within 30 years, according to the Florida International University analysis.
Under the Trump administration, the Environmental Protection Agency has veered so far from its foundational mission of protecting human health and the environment that it faces the highest risk in its 47-year history of being reshaped to serve industry rather than the American public, according to a new study in the American Journal of Public Health.
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