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Sierra Treeline 山脊树林 Could global warming allow forests to expand into higher elevations than they have reached in more than a thousand years? Learn more about studying alpine treelines -- today on Earth and Sky. JB: This is Earth and Sky. The h
AS IT IS 2015-04-25 Sierra Leone Dog Population Rising Because of Ebola Crisis 埃博拉导致塞拉利昂狗数量增加 The Ebola crisis in Sierra Leone has led to growing concern about another disease: rabies from wild dogs. Many owners fear their
California is best known for its coastline and beaches. The state has nearly 2,000 km of coastline, so the state is known as a surfer's paradise. From the tall cliffs that line the coast, you are almost always guaranteed a beautiful view of the Pacif
Isha Johansen, Syria and a Belfast derby FRI 1 APR 2016 A chat with one of the most powerful women in football, Sierra Leone's Isha Johansen.