Deforestation reduces rainfall in Africa

Deforestation in the rainforests of West Africa reduces rainfall over the rest of the forest, according to new University of Leeds research published in Geophysical Research Letters.

Expert explains why North American bird populations are declining

According to recent data, bird populations in North America have declined by approximately 2.9 billion birds, a loss of more than one in four birds since 1970. Experts say this bird loss will continue to grow unless changes ...

US Congress acts to avert helium shortage

The US Congress, entrenched in a titanic budget battle, managed to come together Thursday to pass legislation that prevents a market shortage of helium.

Eastern Oregon dig uncovers ancient stone tool

Archaeologists have uncovered a stone tool at an ancient rock shelter in the high desert of eastern Oregon that could turn out to be older than any known site of human occupation in western North America.

U.S. announces desert 'solar energy zones'

The Obama administration on Thursday announced its plan for solar energy development, directing large-scale industrial projects to 285,000 acres of desert in the Western U.S. while opening 20 million acres of the Mojave for ...

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