A tree stump that should be dead is still alive; here's why

Within a shrouded New Zealand forest, a tree stump keeps itself alive by holding onto the roots of its neighboring trees, exchanging water and resources through the grafted root system. New research, publishing July 25 in ...

Brazilian Amazon deforestation falls 31% under Lula

Deforestation in the Brazilian Amazon fell by 31 percent in the first five months of President Luiz Inacio Lula da Silva's administration versus the same period last year, officials said Wednesday.

Earth's 'third pole' and its role in global climate

Located at the intersection of South, Central, and East Asia, the massive Tibetan Plateau is often considered to be Earth's "third pole." A land of large glaciers, permafrost, and heavy snow, the plateau feeds a vast network ...

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