“Made in China” products surround us, yet few consumers have anything more than a foggy idea of where in China their phones, computers, and other goods come from. Hunan Province in South Central China is not only the home of spicy food, but the world’s largest mines for non-ferrous metals used in many electronic devices. Nearly all the glass panels for Apple and Samsung smartphones are manufactured in Hunan as well. While this multibillion-dollar phone industry has been a boon for Hunan’s economy, it has also produced seriously polluted rivers and soil.

It was some point in May last year, shortly after ISIS surged into the city of Ramadi, and I was working on a story about Iraq’s fast-disappearing Mesopotamian Marshes. Keen to fact-check a few statistics with the Ministry of Water Resources and to hear the government line on the wetlands’ struggles, I dialed its Baghdad offices. After being passed from official to official like a hot potato, a young employee, Hussein, finally gave it to me straight. “No, no, we don’t have this sort of information,” he said, clearly impatient to get off the phone. “There are much more important things in Iraq right now.”

If China is the globe’s most powerful manufacturing engine, the port of Shanghai is its fuel injection valve. This harbor is the world’s busiest, both in terms of tonnage and number of containers processed, allowing China to import the raw materials fueling its development and export the products that represent a significant share of the world’s economy.

In 1990, the U.S. Congress passed the Global Change Research Act “to assist the Nation and the world to understand, assess, predict, and respond to human-induced and natural processes of global change.” Under this mandate, the U.S. Global Change Research Program (USGCRP) was born, an innovative, cross-cutting research initiative that brings together the science arms of 13 federal agencies working on global change issues, including the Departments of Agriculture, Interior, Energy, Defense, the Environmental Protection Agency, the National Oceanic and Atmospheric Administration, and others.

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.

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.

This month, Baskut Tuncak, the United Nations special rapporteur on human rights and toxics, presented the findings of his report on the effects of hazardous substances on the lives of children around the world to the 33^rd session of the Human Rights Council. His conclusions were bold and brave for their implications on conflict: States should take responsibility for cleaning up the toxic remnants of war and providing medical aid to affected communities and individuals.

Featured side by side at the top of The New York Times home page recently were two stories: one on the United States and China, the world’s largest producers of carbon emissions, committing to a global climate agreement, another on how rising seas are already affecting coastal communities in the United States.