Posts Tagged ‘trees’

How trees contribute to making smog

UNC-CHAPEL HILL (US) — Researchers have shown how a molecule produced by trees combines with pollutants to create a potentially hazardous form of air pollution. Continue…

Friday, April 26, 2013 15:52 - 0 Comments

Earth & Environment - Apr 1, 2013 13:25 - 3 Comments

New forests trap carbon underfoot

U. MICHIGAN (US) — Growing trees on formerly non-forested land can accumulate soil carbon that helps offset carbon emissions and climate change, say researchers. (more…)

Earth & Environment - Mar 26, 2013 10:53 - 0 Comments

After die-off, forests hold tight to carbon

U. ARIZONA (US) — After a massive tree die-off, conventional wisdom has it that a forest will go from carbon sink to carbon source, but new research shows it’s not as dramatic an effect as previously thought. (more…)

Recyclable solar cells made from trees

GEORGIA TECH / PURDUE (US) — Fabricating new plant-based solar cells on cellulose nanocrystal substrates means that they’re recyclable in water. (more…)

Science & Technology - Mar 15, 2013 11:31 - 1 Comment

Total fungus genome could fight tree-killer

U. TORONTO (CAN) — Scientists have mapped the genome of the fungus that causes Dutch Elm disease, an infection that threatens the survival of trees around the world. (more…)

Science & Technology - Feb 15, 2013 13:51 - 0 Comments

Decoy ladies lure nasty beetles to traps

PENN STATE (US) — To track the spread of destructive emerald ash borers, researchers have built decoy female beetles that work better than dead beetles to lure males to traps. (more…)

Science & Technology - Jan 15, 2013 12:43 - 0 Comments

‘Tube’ physics limits leaf size, tree height

UC DAVIS (US) — Basic scientific principles can explain why leaves on the tallest trees are all about the same size, and why those tall trees aren’t even loftier. (more…)

Earth & Environment - Jan 9, 2013 17:03 - 3 Comments

Even in remote spots, chemicals lurk in trees

INDIANA U. (US) — Scientists have found that flame retardant chemicals show up as environmental pollutants all over the world, even in remote parts of Indonesia, Nepal, and Tasmania. (more…)

Science & Technology - Dec 21, 2012 7:12 - 0 Comments

Want the perfect Christmas tree? Do the math

U. SHEFFIELD (UK) — Hoping this will be your year for the perfect Christmas tree? (more…)

Earth & Environment - Dec 14, 2012 13:21 - 2 Comments

Can Amazon trees survive global warming?

UCL (UK) — Tree species in the Amazon are likely to survive climate warming in the coming century, having already weathered temperatures higher than any worst case scenario forecast for the year 2100. (more…)

Earth & Environment - Dec 5, 2012 12:00 - 0 Comments

Carbon footprint labels don’t add up

USC / U. MICHIGAN (US) — The methods used to measure products’ carbon footprints often fall short of assessing their true environmental impact, new research shows. (more…)

Earth & Environment - Nov 28, 2012 15:27 - 0 Comments

Pine forest microbes need ‘fog drip’ to thrive

UC SANTA BARBARA (US) — By linking foggy conditions to microbes in the forest floor’s soil, scientists show the impact of low-altitude clouds on the carbon cycle. (more…)

Health & Medicine - Oct 18, 2012 10:56 - 2 Comments

Hunters risk falls without safety equipment

U. ROCHESTER (US) — Tree stands give hunters a bird’s-eye view of wild game, but some hunters continue to suffer serious injuries after failing to wear a safety harness, say doctors. (more…)

Earth & Environment - Oct 12, 2012 8:37 - 2 Comments

Tons of carbon emitted as palm oil demand grows

STANFORD / YALE (US) — The growth of oil palm plantations in Borneo is becoming a globally significant source of carbon dioxide emissions, experts warn. (more…)

Earth & Environment - Oct 3, 2012 8:35 - 2 Comments

‘Grim’ forecast for trees in southwest US

U. ARIZONA (US) — Trees are facing rising drought stress and mortality as the climate warms, report researchers who studied tree-rings, climate records, and computer-model climate projections. (more…)

Earth & Environment - Oct 2, 2012 11:34 - 2 Comments

100 years of rain recorded in Amazon tree rings

U. LEEDS (US) — Researchers have used tree rings from eight cedars in Bolivia to determine how much it has rained over the Amazon basin during the past century. (more…)

Earth & Environment - Sep 14, 2012 10:55 - 0 Comments

Climate ‘sponge’ sucks plants dry in Southwest

U. ARIZONA (US) — Extreme droughts in the American Southwest are causing a water-thirsty atmosphere to pull moisture away from plants, creating increasingly stressful growing conditions, a study shows. (more…)

Earth & Environment - Aug 29, 2012 15:13 - 0 Comments

Diverse rainforests resilient to drought

U. LEEDS (UK) — Despite a 40-year drought, forest carbon stocks in protected West African rainforests increased, thanks to a dramatic shift to trees better adapted to dry conditions. (more…)

Earth & Environment - Aug 9, 2012 15:51 - 2 Comments

Free radicals amp up pine tree pollution

CARNEGIE MELLON (US) — Aerosols emitted by pine trees and free radicals are a volatile combination—and they’re making air pollution worse, say researchers. (more…)

Page 1 of 312 3 »