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Scientists Solve Mystery Of Disappearing Salt Marshes

Marshes along streams and estuaries protect land from storm surges. But they're disappearing fast and now scientists have discovered a previously unknown marsh killer: nutrients. Nitrogen from fertilizers and sewage makes marshes grow faster, but the roots grow smaller so the soil can't hold the bigger plants. That means soil banks collapse and marshes turn to mud.

Climate Politics: It's Laugh Lines Vs. 'Not A Joke'

Stymied by Congress early on in his term while trying to advance his climate policies, President Obama has resorted to taking incremental actions that don't need congressional approval. Mitt Romney doesn't mention climate change in his energy plan, and favors cheap energy sources like coal.
WAMU 88.5

Go Fish: Numbers Of Young Striped Bass Plummet In Bay

striped bass

Striped bass, better known in the Chesapeake Bay area as rockfish, have had a bad year, as scientists say the lower-than-normal levels of rainfall have hurt their population levels.


Test Your Food IQ: Do We Need More Farms To Grow Fruits And Veggies For All?

We may be able to grow enough fruits and vegetables on land we already have if we're smart about how we do it, says World Wildlife Foundation expert Jason Clay. Take the James Beard Foundation's food quiz to see just how literate you are on this and other agriculture matters.
WAMU 88.5

EnviroCab Adds All-Electric Nissan Leaf To Its Fleet

Arlington taxi company EnviroCab is testing out the use of an all-electric vehicle as part of its 50-car fleet. 


On The Campaign Trail, Regulations Dominate The Environmental Debate

In this presidential election, neither candidate is talking much about cleaning up the air or protecting scenic lands. Instead, the debate is about whether and how much environmental regulations hurt businesses.

Tracking The Ozone Hole, As It Waxes And Wanes

Every August, the ozone hole begins to grow over Antarctica, reaching its maximum size by late September. But by the New Year, it's gone again. Russell Schnell, of NOAA's Earth System Research Laboratory, explains the weird forces behind the ozone hole's formation--and why, in recent years, an ozone hole has capped the Arctic too.