The burgeoning amount of carbon dioxide in oceans is affecting a lot more than coral reefs. It is also damaging marine life and, most ominously, threatening the future survival of marine populations.

In the discussion of the global food emergency, one underlying factor is barely mentioned: The world is running out of water. A British science writer, who authored a major book on water resources, here explores the nexus between water overconsumption and current food shortages.

In an interview with Yale Environment 360, the chairman of the Intergovernmental Panel on Climate Change says the next U.S. administration must play a leading role in global climate change policy and cautions that China and the developing world must not follow the same path of industrialization as the United States and western Europe.

With the Bush administration and Congress failing to act, many states are devising sweeping climate and energy policies that could be a blueprint for a future national climate policy.

The world's greatest lake, holding 20 percent of the planet's surface fresh water, has long remained one of the most pristine places on earth. Now, as Russia's economy booms and its climate warms, the Siberian lake faces new threats.

When it comes to setting climate change policy, science can only tell us so much. Ultimately, a lead report author for the Intergovernmental Panel on Climate Change writes, it comes down to making judgments about what is fair, equitable, and just.

The coal industry and its allies are spending more than $60 million to promote the notion that coal is clean. But so far, “clean coal” is little more than an advertising slogan.

After years of U.S. inaction, a new president will have to move quickly to address global warming. In an e360 report, New Yorker writer Elizabeth Kolbert surveys the views of various nonpartisan groups and provides a blueprint for what needs to be done.