This past year had so many stories involving human-caused climate change – it will be forever in our memories. Here is a summary of some of the high points, from my perspective. When I say “high points” I don’t necessarily mean good. Some of these high points are bad and some are downright ugly. Let’s […]
When Sam Rigu was a kid, growing up on a maize farm in central Kenya, his grandmother made a disturbing prediction. “She said something I’ll never forget,” he recalls. “She said, ‘Twenty years ago we were harvesting double this. Twenty years from now we might have nothing to feed our children.’ That really scared me.” […]
Emissions of the powerful greenhouse gas methane have surged in the past decade, threatening to thwart global attempts to combat climate change. Scientists have been surprised by the surge, which began just over 10 years ago in 2007 and then was boosted even further in 2014 and 2015. Concentrations of methane in the atmosphere over those two […]
A peculiar storm swept across the mountains of the Antarctic Peninsula in February of this year. Several scientists hunkered down in their tents as a torrent of horizontal-blowing snow washed through. Erin Pettit found her way through the camp by following a series of red and green canvas flags flapping on bamboo poles. But when […]
The 20 million residents of New Delhi, India, are choking through thick smog this week, the New York Times reports—the worst in 17 years. The air is so bad that sustained breathing is equivalent to smoking more than two packs of cigarettes a day, the Times notes. Schools have been closed for three days, although experts warn that the air […]
A global “greening” of the planet has significantly slowed the rise of carbon dioxide in the atmosphere since the start of the century, according to new research. More plants have been growing due to higher CO2 levels in the air and warming temperatures that cut the CO2 emitted by plants via respiration. The effects led […]
Peter Wadhams has spent his career in the Arctic, making more than 50 trips there, some in submarines under the polar ice. He is credited with being one of the first scientists to show that the thick icecap that once covered the Arctic ocean was beginning to thin and shrink. He was director of the […]
A recent survey confirms that an unprecedented number of tourists are visiting Australia's Great Barrier Reef because they are afraid the World Heritage site will soon disappear. A survey published this week in the Journal of Sustainable Tourism found 69 percent of recent tourists felt they needed to see the reef before it dies off. Half of the […]
Agriculture and the overexploitation of plants and animal species are significantly greater threats to biodiversity than climate change, new analysis shows. Joint research published in the journal Nature on Wednesday found nearly three-quarters of the world’s threatened species faced these threats, compared to just 19% affected by climate change. It comes a month before the International Union for […]
Gradual melting of winter snow helps feed water to farms, cities and ecosystems across much of the world, but this resource may soon be critically imperiled. In a new study, scientists have identified snow-dependent drainage basins across the northern hemisphere currently serving 2 billion people that run the risk of declining supplies in the coming century. […]
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