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One morning not long ago, in the southern Indian state of Karnataka, I traveled with a Wildlife Conservation Society biologist on a switchback route up and over the high ridge of the Western Ghats. Our itinerary loosely followed the corridor connecting Bhadra Tiger Reserve with Kudremakh National Park 30 miles to the south.

NASA’s Aqua satellite passed over the South China Sea and obtained a visible light image of the first depression of the Northwestern Pacific Ocean basin’s 2018 tropical cyclone season. Vertical wind shear can be deadly to tropical cyclones and satellite data showed Tropical Depression Bolaven, formerly known as 01W, was being adversely affected by it.

Cultural evolution has made humans enormously potent ecosystem engineers and has enabled us to survive and flourish under a variety environmental conditions.

NASA-NOAA's Suomi NPP passed over newly formed Tropical Storm Ava and analyzed the storm in infrared light. Ava, the third tropical cyclone of the Southern Indian Ocean season formed off the coast of northeastern Madagascar on Jan. 3. 

Large areas of the Earth’s surface are experiencing rising maximum temperatures, which affect virtually every ecosystem on the planet, including ice sheets and tropical forests that play major roles in regulating the biosphere, scientists have reported.