When Yale economist Joseph Shapiro was a graduate student at the Massachusetts Institute of Technology about a decade ago, he attempted a cost-benefit analysis of the 1972 Clean Water Act — the federal law governing water quality in the country’s rivers,...
Humans have competitors in their ability to befoul the world’s waterways: Hippos clog Africa’s Mara River with tons of their oxygen-eating, fish-killing feces, a new Yale University-led study has shown.
Sections of the Mara River in East Africa provide...
To fully understand biodiversity and how it is changing, you need to look near, far, and in-between, according to a new study.
Researchers at Yale University studied 50 years of data about nesting birds in North America and tracked biodiversity changes on...
Yale researchers have provided a new explanation for why Earth’s early climate was more stable and warmer than it is today.
When life first evolved more than 3.5 billion years ago, Earth’s surface environment looked very different. The sun was much weaker...
The International Cooperation for Animal Research Using Space, or ICARUS, will be flying closer to the sun than ever when a pair of Russian cosmonauts installs the antennae for its state-of-the-art animal tracking system on the exterior of the...
Arctic sea ice isn’t just threatened by the melting of ice around its edges, a new study has found: Warmer water that originated hundreds of miles away has penetrated deep into the interior of the Arctic.
That “archived” heat, currently trapped below the...
A new study says pink noise may be the key to separating out natural climate variability from climate change that is influenced by human activity.
Not familiar with pink noise? It’s a random noise in which every octave contains the same amount of energy....