Concerns over emissions from formaldehyde in pressed-wood products have been building for many years. California's new rules addressing the problem went into effect Jan. 1, 2009. Now EPA is looking at following suit.

If you need information on land use changes over time, or on current land uses and character, you may want to check out decades-worth of globe-spanning satellite images that USGS has made freely available to the public.

On February 17, 2009, all full-power broadcast US television stations will stop broadcasting on analog airwaves and begin broadcasting only in digital. So, many old TVs are now creating e-waste challenges as they're relegated to landfills and recycling centers.

Environmental policy, legislation, and regulation are likely to be different under the Obama administration than the Bush administration. It's difficult to know yet what the priorities will be, or what shifts will occur. This is the first half of potential topics for journalists to keep an eye on.

Environmental policy, legislation, and regulation are likely to be different under the Obama administration than the Bush administration. It's difficult to know yet what the priorities will be, or what shifts will occur. This is the second half of potential topics for journalists to keep an eye on.

The Obama administration is taking shape with many key environmental appointments to the cabinet and elsewhere. This is the first half of our guide to the new players, their backgrounds and agendas.

The Obama administration is taking shape with many key environmental appointments to the cabinet and elsewhere. This is the second half of our guide to the new players, their backgrounds and agendas.

Five federal agencies that are responsible for management of a high percentage of US lands and waters are doing a poor job preparing for the effects of climate change.

Harmful algal blooms are increasing and now occur offshore of every coastal state and in some inland waters.

Lately the term "green infastructure" has gotten more specific as many cities seek more robust and cost-effective stormwater management.