Impacts As Earth warms, human history is melting away Climate change is revealing long-frozen artifacts and animals to archaeologists. But the window for study is slender and shrinking.
Politics www.washingtonpost.com Radical warming in Siberia leaves millions on unstable ground As permafrost collapses, people turn to mammoth-tusk hunting and migration.
www.washingtonpost.com Radical warming in Siberia leaves millions on unstable ground As permafrost collapses and farm land is devastated, people turn to mammoth-tusk hunting and migration.
