US calls for rescinding rules on oil industry methane leaks

The Trump administration moved Thursday to revoke Obama-era regulations on climate-changing methane leaks from oil facilities, a proposal that environmental advocates said would renounce key federal legal authority to regulate ...

Food, predators, and people influence giraffe social behavior

The behavior of giraffe groups with calves is influenced more strongly by the risk of predators than is the behavior of all-adult groups, which is mostly determined by the availability of food. An international team of researchers ...

A new way to measure how water moves

When a chemical spills in the environment, it's important to know how quickly the spill will spread. If a farmer irrigates a crop, the person will need to know how fast the water should move through the soil and be absorbed ...

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