Nestled in the mountains of western Sichuan Province sits the town of Piankou. Surrounded by three nature reserves that contain several hundred giant pandas, the landscape is undeniably beautiful. Rivers crash their way through rocky valleys framed by bamboo covered hills. But the scene was not always so tranquil.

As the remains of nearly 60 buses smoldered at a depot in Bangalore, the “Silicon Valley” of India, protestors chanted, “We will give blood, but not Cauvery!” Downstream, in neighboring Chennai, at least 100 vehicles have been damaged, more than 500 people have been arrested, and a 25-year old died after setting himself on fire in protest.

Early on the morning of Sept. 29, according to India’s Defense Ministry and military, Indian forces staged a “surgical strike” in Pakistan-administered Kashmir that targeted seven terrorist camps and killed multiple militants. Pakistan angrily denied that the daring raid took place, though it did state that two of its soldiers were killed in clashes with Indian troops along their disputed border. New Delhi’s announcement of its strike plunged already tense India-Pakistan relations into deep crisis. It came 11 days after militants identified by India as members of the Pakistani terrorist group Jaish-e-Mohammed killed 18 soldiers on a military base in the town of Uri, in India-administered Kashmir.

Climate change is poised to remobilize hazardous wastes that the U.S. Army abandoned and believed would be buried forever beneath the snow and ice in Greenland.

When Lake Poopó, Bolivia’s second-largest lake, dried up last December, an entire community lost their way of life and the scientific community cast their eyes to the map asking, where next? They didn’t have to look far. According to a report prepared by the World Lake Vision Committee, a collaboration between the International Lake Committee Foundation, the Shiga Prefectural Government of Japan, and the United Nations Environment Program, there are very few major lake systems that are not experiencing decreasing water quality, volume, biodiversity, or some combination of the three.

Over the course of 1,800 miles, 5,300 vertical feet, and at least five name changes, the Brahmaputra River, in sometimes turbulent outbursts, flows from the Tibetan plateau to the Bay of Bengal. Along the way, it crosses three countries, including major geopolitical rivals China and India, and supplies 90 percent of downstream Bangladesh’s freshwater during the dry season.

Yesterday afternoon President Obama announced a new Presidential Memorandum on climate change and national security. The policy directs 20 federal agencies to consider the national security implications of climate change and establish a working group that will develop a Climate Change and National Security Action Plan for the federal government.