Author Archive

Obama’s Climate Change Blind Spot: Emissions From Public Lands

U.S. News and World Report: President Barack Obama’s recent promise to “lead by example” on climate had the potential to be a major step forward. But sadly, his latest pledge to reduce greenhouse gases seems poised to keep our nation moving backward. While he committed to reducing greenhouse gases within the federal government by 40 percent over the next decade, he completely ignored one of the most significant sources of greenhouse gas emissions under his control: fossil fuel production from public lands owned by every American....

Buzzkill? How Climate Change Could Eventually End Coffee

U.S. News and World Report: Millions around the world wake up and brew a cup of coffee before they start their day. But for many involved in the industry, a caffeine buzz isn't keeping them up at night--instead, what's causing insomnia is the increasing difficulty that climate change causes coffee farmers. Other than oil, coffee is the world's most traded commodity. Each year, more than $15 billion worth of coffee is exported from 52 countries--many of which are still developing and rely on the crop to buoy their economies....

Climate Change Effects in Arctic More Extensive than Expected

U.S. News and World Report: Together with Terry Callaghan, a researcher at the Royal Swedish Academy of Sciences, Margareta is the editor of the two chapters on snow and permafrost. "The changes we see are dramatic. And they are not coincidental. The trends are unequivocal and deviate from the norm when compared with a longer term perspective", she says. The Arctic is one of the parts of the globe that is warming up fastest today. Measurements of air temperature show that the most recent five-year period has been the...