Posts Tagged ‘environmental engineering’
Restored wetlands may never recover
UC BERKELEY (US) — Even after a century of restoration efforts, some wetlands are never able to return to their original natural state. Continue…
Friday, January 27, 2012 12:30 - 1 Comment
Earth & Environment - Dec 16, 2011 10:26 - 2 Comments
Greener commutes with eco-routes
U. BUFFALO (US) — The path of least emissions may not always be the fastest way to drive somewhere, but it’s possible for drivers to cut emissions without significantly slowing travel time, researchers say. (more…)
Earth & Environment - Oct 24, 2011 10:02 - 3 Comments
No real warming from urban ‘heat island’
STANFORD (US) — The urban ‘heat island’ effect contributes less than 5 percent to overall global warming, far less than greenhouse gas or black carbon, new research shows. (more…)
Earth & Environment - Oct 18, 2011 9:43 - 0 Comments
Vehicles pump out more ammonia in winter
RICE U. (US) — The seasons play a role in the amount of ammonia produced by cars and trucks, with output greatest during the winter months, according to a new study. (more…)
Earth & Environment - Aug 17, 2011 13:01 - 0 Comments
Climate dimming clarity of Lake Tahoe
UC DAVIS (US) — The water clarity of Lake Tahoe in 2010 dropped to the second-lowest level ever recorded. Researchers suspect the combined effect of changes in climate and algae are to blame. (more…)
Earth & Environment - Aug 12, 2011 14:03 - 0 Comments
Climate change consequences poles apart
PENN STATE (US) — Climate change induced warming affects ice and frozen ground at both the North and South poles, but the ramifications differ because of geography and geology. (more…)
Science & Technology - May 23, 2011 14:02 - 1 Comment
Ethanol leftovers: From fungus to feed
IOWA STATE (US) — Fungus grown from ethanol leftovers is being used to make animal feed. Researchers believe it may be possible to develop the process further to be used as a low-cost nutritional supplement for people. (more…)
Earth & Environment - Apr 12, 2011 11:02 - 0 Comments
As fish farms flourish, so does waste
STANFORD (US) — Aquaculture is one of the fastest-growing segments of livestock farming in the U.S. but the problem of controlling fish effluent may be growing even faster. (more…)
Health & Medicine - Mar 28, 2011 16:49 - 0 Comments
Casino patrons take a health gamble
STANFORD (US) — Less than two hours of exposure to secondhand smoke in a casino puts patrons and workers at acute risk of developing heart disease, pulmonary disease, and cancer. (more…)
Earth & Environment - Dec 24, 2010 12:39 - 2 Comments
Christmas trash gets a second chance
U. WARWICK (UK) — Most plastic packaging on gifts is almost impossible to recycle. A new technique could process 100 percent of household plastics instead of the tiny fraction currently recycled. (more…)
Earth & Environment - Dec 23, 2010 21:02 - 0 Comments
How to shop green this year and next
CARNEGIE MELLON (US) — Have you been naughty or nice when it comes to reducing the environmental impact of your holiday shopping? Here are some tips to put you at the top of Santa’s green list next year. (more…)
Earth & Environment - Dec 20, 2010 14:57 - 1 Comment
Will turbines turn tides into electricity?
U. WASHINGTON-SEATTLE (US) — Two turbines, each 30 feet wide, are being deployed in Puget Sound to test the feasibility of feeding power from ocean tides into an electrical grid. (more…)
Earth & Environment - Dec 20, 2010 11:24 - 1 Comment
Warming escalates river zinc levels
U. COLORADO (US) — Climate change affecting the timing of the annual snowmelt may be responsible for rising concentrations of zinc in the Snake River on Colorado’s Western Slope. (more…)
Earth & Environment - Nov 11, 2010 16:32 - 4 Comments
Will oil run out 90 years too soon?
UC DAVIS (US) — At the current pace of research and development, global oil will run out 90 years before replacement technologies are ready, says a study based on stock market expectations. (more…)
Earth & Environment - Nov 2, 2010 16:24 - 1 Comment
Is ozone underestimated?
CALTECH (US) — In the most polluted parts of Los Angeles—and on the most polluted days in those areas—current prediction models are underestimating ozone levels by between 5 to 10 percent. (more…)
Science & Technology - Sep 1, 2010 15:18 - 2 Comments
It’s rocket science: Wastewater treatment
STANFORD (US)—Engineers are developing a new sewage treatment process that would actually increase the production of two greenhouse gases—nitrous oxide (aka laughing gas) and methane—to be used to power the treatment plant. (more…)
Earth & Environment - Aug 30, 2010 12:54 - 0 Comments
Soot hits Arctic ice with double whammy
STANFORD (US)—The quickest and best way to slow the rapid melting of Arctic sea ice is to reduce soot emissions from the burning of fossil fuel, wood, and dung, according to a new study. (more…)
Earth & Environment - Jul 1, 2010 12:07 - 1 Comment
Is black carbon a climate change quick-fix?
U. ILLINOIS (US)—One immediate way to reduce the current levels of global warming—and avert rapid climate change—researchers say, would be to focus on pollutants with short atmospheric lifetimes, like soot, also known as black carbon. (more…)
Earth & Environment - Jun 9, 2010 15:08 - 0 Comments
Using supercomputers to clean up coal
STANFORD / U. TEXAS-AUSTIN (US)—Pollution control devices known as scrubbers, installed to restrict the amount of nitrogen oxide and sulfur dioxide release from coal-fired power plants, may have helped to reduce acid rain, but they haven’t made those plants safe. (more…)
