Daily Roundup: August 25, 2009

Inventing a Greener World: Last quarter, a U.S. record was set in clean-energy patents granted. The number: 274, led by fuel-cell innovations, followed by wind and solar technologies. SustainableBusiness.com

Très Bien: Salmon are reappearing in Paris's Seine River; this year, at least 1,000 migrated through – a number far exceeding expectation. The fish are on the E.U.'s endangered species list, mostly because of historic water pollution, but cleaning efforts are having a positive effect. National Geographic

Encore Mieux: Air pollutants in Europe are decreasing, says a new report. Sulfur oxides are down 72% from 1990, and particulate matter is down 12% from 2000. EurActive

Fatal Work: An explosion in a Chinese coal mine killed 11 workers; three were missing at press time. Scientific American

Hope They Offset: Sen. Mark Begich (D-Alaska) is hosting a climate-change tour this weekend; four members of the Senate Committee on Environment and Public Works will join him in his home state to see firsthand the effects of global warming. AP

--Avital Binshtock