Senate Majority Leader Harry Reid reached out to industrial-state lawmakers on Tuesday to ease concerns about proposed measures to cut climate-warming carbon emissions.

Reid told reporters on Wednesday that the 10 Democratic senators he met with from states heavily dependent on coal were not opposed to a global-warming bill.

Trade is collapsing and protectionism is on the rise. Time for the G20 to get going

The Democratic-led U.S. Congress gave final approval on Wednesday to sweeping land and water conservation legislation that environmental groups praised as one of the most significant in U.S. history.

Traffic-related air pollution has been associated with adverse health outcomes, and the immune system may be a biologic mediator of health effects. We analyzed associations between living near major roads and immune status as measured

North Dakota is one of many states waiting for an energy policy from Washington

The following is Dr. Rajendra K. Pachauri's foreword to State of the World 2009: Into a Warming World, which will be published by the Worldwatch Institute next week. Dr. Pachauri will be keynoting the 13th Annual State of the World Symposium in Washington, D.C. on January 15, 2009.

On November 15, barely 10 days after the election of a new US president, the world

WHAT'S the world's greatest moral challenge, as judged by its capacity to inflict human tragedy? It is not, I think, global warming, whose effects

New Transistor Uses A Material Known As Gallium Nitride Washington: Every household is filled with dozens of silicon-based electronics, whose main component is usually a silicon-based transistor. But now, a Rensselaer Polytechnic Institute student's invention could replace this technology with a new generation of transistors that will not only cut energy consumption but also work under extreme conditions.

The US favours higher standards of living in developing countries, the White House said on Monday, while sticking to its proposition that increased demand for food in these countries is the principle driver of higher prices across the world.