by jim robbins Scientists are still trying to unravel the damaging effects of ground-level ozone on life on earth. But as the world warms, their concerns about the impact of this highly toxic, pollution-caused gas are growing.
by jim robbins As the National Park Service marks its centennial this year, the parks are being celebrated for their natural beauty and priceless recreational opportunities. But the parks also provide a less recognized benefit: they serve as a living laboratory for critical scientific research. READ MORE
by jim robbins Officials are moving ahead with a major revitalization of the Los Angeles River – removing miles of concrete along its banks and re-greening areas now covered with pavement. But the project raises an intriguing question: Just how much of an urban river can be returned to nature? READ MORE
by jim robbins The decline of the world’s amphibians continues, with causes ranging from fungal diseases to warmer and drier climates. Now, researchers are looking at ways to intervene with triage measures that could help save the most vulnerable populations. READ MORE
by jim robbins Researchers are only beginning to understand the complexities of the microbes in the earth’s soil and the role they play in fostering healthy ecosystems. Now, climate change is threatening to disrupt these microbes and the key functions they provide. READ MORE
by jim robbins A growing body of scientific evidence shows that the felling of tropical forests creates optimal conditions for the spread of mosquito-borne scourges, including malaria and dengue. Primates and other animals are also spreading disease from cleared forests to people.
by jim robbins TransCanada, the company behind the now-defunct Keystone XL, is proposing another pipeline that would ship Alberta tar sands oil to Canada’s Atlantic coast. But fierce opposition from First Nation communities could derail this controversial project. READ MORE
by jim robbins Scientists are becoming increasingly concerned about the fate of the huge boreal forest that spans from Scandinavia to northern Canada. Unprecedented warming in the region is jeopardizing the future of a critical ecosystem that makes up nearly a third of the earth’s forest cover. READ MORE
by jim robbins As climate change puts ecosystems and species at risk, conservationists are turning to a new approach: preserving those landscapes that are most likely to endure as the world warms. READ MORE
by jim robbins From Seattle to Sweden, an ever-growing number of city and regional governments are using roof gardens, specially designed wetlands, and other forms of “green infrastructure” to rein in pollution from countless diffuse sources — and to save money. READ MORE
by jim robbins For decades, farm bills in the U.S. Congress have supported large-scale agriculture. But with the 2012 Farm Bill now up for debate, advocates say seismic shifts in the way the nation views food production may lead to new policies that tilt more toward local, sustainable agriculture. READ MORE
by jim robbins Conservationists have long called for creating ecological corridors that would enable large mammals and other wildlife to roam more freely across an increasingly developed planet. But now scientists are taking a closer look at just how well these corridors are working and what role they might play in a warming world. READ MORE
by jim robbins Exploiting North America’s largest oil deposit has destroyed vast stretches of Canada's boreal forest, arousing the ire of those opposed to this massive development of fossil fuels. Now those opponents are battling the Keystone XL pipeline, which would pass through environmentally sensitive Western lands as it moves the oil to market. READ MORE
by jim robbins
Across western North America, huge tracts of forest are
dying off at an extraordinary rate, mostly because of outbreaks of insects.
Scientists are now seeing such forest die-offs around the world and are linking
them to changes in climate. READ MORE