Clean Air Policy1146 articles archived since 1845

U.S. Unveils a $350-Million Energy-Efficiency Initiative at Copenhagen

Solar lanterns and more efficient appliances are part of a new U.S.-led effort to deploy clean energy across the globe to combat climate change and other ills

What Will It Take to Make the Copenhagen Conference a Success?

When nations meet in Copenhagen to hash out an agreement to ward off the anticipated cataclysmic effects of global warming, they will be backed by scientific and economic studies. But do they have the political will to ratify what needs to be done?...

Interior Secretary Outlines How to Use North American Continent to Combat Climate Change

The U.S. Department of Interior plots a new use for public lands by using them as carbon sinks to abate global warming

Searching for the Best Way to Go Green When Traveling

When planning a trip, there are transportation and accommodation options that can help shrink your carbon footprint

Copenhagen: the scientists' view

The United Nations Climate Change Conference is mainly a political affair but it has drawn hundreds of scientists to the Danish capital. Jeff Tollefson finds out what they hope to gain.

Scientists Respond to "Climategate" E-Mail Controversy

Stolen e-mails and computer code do nothing to change average temperature trends, but they could damage climate researchers' credibility just when polls are showing public belief that greenhouse gases are warming the planet is ebbing...

Readers Respond on "What Now for Nuclear Waste?"

Letters to the editor: Neandertals; GM Crops

How Can Humanity Avoid or Reverse the Dangers Posed by a Warming Climate?

With greenhouse gas emissions continuing to rise, strong efforts will be required to reverse global warming

Obama and (climate) change: Indian edition

One-Quarter of World's Population Lacks Electricity

Replacing wood and coal with electricity could help reduce poverty and pollution

Organic Wine-Makers Look to Greener Packaging

More and more wineries offer organic varieties to lower their eco-footprints. It's no surprise that they're looking at their product packaging's environmental impacts, as well

Joining the Energy Underground: Residential Geothermal Power Systems

Homeowners looking to go green and lower their utility bills can install a residential geothermal system

The Future of Trains

As the United States gears up for Thanksgiving and its busiest travel week of the year, might high-speed trains get people where they're going faster in the near future?

U.S. High-Speed Rail Projects Aim to Catch Up [Slide Show]

The Obama administration will make up to $13 billion available for high-speed railroad projects across the nation, which lags far behind the fast railways of Asia and Europe

U.S. High-Speed Rail Projects Aim to Catch Up [Slide Show]

The Obama administration will make up to $13 billion available for high-speed railroad projects across the nation, which lags far behind the fast railways of Asia and Europe

World Changing Ideas: 20 Ways to Build a Cleaner, Healthier, Smarter World

From solar power to powering our planet with garbage, Scientific American explores ideas that would improve our planet

Wanted: Bright Ideas to Change the World

Acting Editor in Chief Mariette DiChristina introduces the December 2009 issue of Scientific American

Homes That Use Thermal Inertia to Maintain Comfortable Temperatures

By harnessing the ability of materials to store heat and give it off slowly, "Enertia" houses maintain a relatively fixed and comfortable temperature

Sinking Global Warming: Is There a Reliable Way to Track Atmospheric Carbon Dioxide Levels?

CO2 emissions rise as natural sinks slow, but how can scientists precisely track this greenhouse gas, especially in advance of a potential global treaty to reduce its emissions?

More important than Copenhagen? U.S.-China deal on energy and climate