Study: Allowing More Salmon to Spawn Creates a Win-Win for Humans and Ecosystems
April 11, 2012 09:58 AM - David A Gabel, ENN
Salmon spend most of their lives in the ocean, but return to their birthplaces in freshwater streams to spawn the next generation. These annual migrations up and down the inland rivers are well known and play a significant role in the ecosystem, particularly in the Pacific Northwest. However, there is a concern that humans are harvesting too many salmon, not allowing enough to return upstream to reproduce. This leaves little for the species which depend on the salmon runs such as grizzly bears. A new research study suggests that more Pacific salmon should be allowed to spawn in coastal streams, which would create a win-win for humans and the natural environment.
Do protected areas for wildlife really work?
April 11, 2012 07:14 AM - Eifion Rees, The Ecologist
Can national parks and marine protected areas safeguard endangered wildlife against the growing pressures of population growth and climate change? Designated a national park in 1778 but safeguarded unofficially since the 13th century, the world's oldest protected area is Mongolia’s sacred Bogd Khan Mountain, overlooking Ulan Bator. The Emperor of Manchur’s 18th-century edict was designed to prevent mortals from desecrating the realms of the divine. Building was restricted, logging and hunting banned.
Bounty Offered on 'Fishzilla'
April 9, 2012 08:23 AM - Kieran Mulvaney, Discovery News
If Stephen King were to write a novel about a terrifying, monstrous fish, he might create something not unlike the snakehead. Its large mouth is filled with razor-sharp teeth. It is a voracious predator, feasting on anything from worms to small mammals... But dead is the only way fishery officials in the United States want to see the northern snakehead.
In Dubai, Camels may work to control Mangrove trees
April 8, 2012 02:07 PM - Tafline Laylin, Green Prophet
Too many mangroves is not a good thing — at least not at the Ras Al Khor Wildlife Sanctuary in Dubai, where they were introduced in 1990. So an ecologist at Dubai’s Wildlife Protection office has proposed using camels to trim back the excess canopies that have buried wader feeding areas. Kevin Hyland told The National that camels used to have access to the sanctuary before it was fenced off in 2002, and that reintroducing them would help restore the site’s sensitive ecology without disrupting bird life. Hyland emphasizes that the camels would be introduced as part of a careful management program, and that they will not be left to run amok. "The key phrase in the whole proposal is 'managed camel grazing,'" the ecologist told the paper. "It's not, 'let's just chuck in 100 camels, because we don't want to destroy the mangrove canopy."
Spring has Sprung, it's getting warmer
April 8, 2012 07:27 AM - NPR
Across the country, more than 7,700 daily temperature records were broken last month, on the heels of the fourth warmest winter on record. While it might be time to lie on a blanket in the park, climate scientists are worried. They say all these sunny days are actually an extreme weather event, one with local and global implications. In Iowa, March was so hot — a record-breaking 84 degrees — that some crops there, like oats, are now running way ahead of schedule.
The Arctic is getting more militarized
April 7, 2012 08:26 AM - Euractiv
Norwegian and Russian energy relations might be put at risk when it comes to the exploration and acquisition of untapped energy resources in the Arctic with both countries increasing their militarisation in the area, according toStratfor an Austin, Texas-based global intelligence company providing geopolitical analysis and commentary. "Norwegian Defence Minister Espen Barth Eide indicated March 28 that the Norwegian army 2nd Battalion would be renamed the "Arctic Battalion" and equipped to patrol the country's Arctic territory. The battalion, a mechanised infantry unit based in the northern county of Troms, will be supplied with snowmobiles and other light vehicles for the task.
Classes Make Bicycling in Los Angeles Easier
April 5, 2012 09:03 AM - Courtney Hayden, Sierra Club Green Home
It is 9 am and traffic is crawling on the 101 freeway...and on the 405, and on the 118. Sunshine pours through the windshield, turning your mind to thoughts of walking through the Santa Monica Mountains and biking down to the beach. Minutes are ticking by, marked only by the occasional horn honking loudly behind you. As for the gas you put in the car earlier? It is working its way towards "E." There is a way to reduce your fossil fuels consumption and make daily commutes enjoyable: bicycling. And a new organization is here to help make biking in Los Angeles easier. If you are new to biking or if the thought of peddling down crowded LA streets intimidates you, Sustainable Streets offers free safety courses to help ease your transition into biking. Courses are available in Burbank, West Hollywood, and along the beach in Santa Monica. Classes start with four hours in the classroom, followed by one hour on a simulated road, and then almost five hours of actual street riding.
California Charges Forward on EVs
April 5, 2012 08:46 AM - RP Siegel, Triple Pundit
As you may have seen, California Governor Jerry Brown announced a $120 million settlement last week with utility company NRG. The funds will be used to develop a large scale infrastructure effort for electric vehicles. This statewide charging network will include at least 200 fast-charging stations and another 10,000 plug-in units at 1,000 locations across the state.
Wind Tops 10 Percent Share of Electricity in Five States
April 5, 2012 07:10 AM - J. Matthew Roney, Earth Policy Institute
A new picture is emerging in the U.S. power sector. In 2007, electricity generation from coal peaked, dropping by close to 4 percent annually between 2007 and 2011. Over the same time period, nuclear generation fell slightly, while natural gas-fired electricity grew by some 3 percent annually and hydropower by 7 percent. Meanwhile, wind-generated electricity grew by a whopping 36 percent each year. Multiple factors underlie this nascent shift in U.S. electricity production, including the global recession, increasing energy efficiency, and more economically recoverable domestic natural gas. But ultimately it is the increasing attractiveness of wind as an energy source that will drive it into prominence. Wind power accounted for just 2.9 percent of total electricity generation in the United States in 2011. In five U.S. states, however, 10 percent or more of electricity generation came from wind. South Dakota leads the states, with wind power making up 22 percent of its electricity generation in 2011, up from 14 percent in 2010. In 2011, Iowa generated 19 percent of its electricity with wind energy. And in North Dakota, wind’s share was 15 percent.
Melting Arctic Ice May Usher in New Era of Geopolitical Conflict
April 4, 2012 09:36 AM - David A Gabel, ENN
Countries of the Far North are set to be the new players in the emerging Arctic frontier. The polar ice cap is melting at much faster rates than previously predicted, and may be completely ice free by the summer of 2040 or sooner. There are vast untapped resources in the Arctic Ocean such as new shipping lanes, fishing grounds, tourism, and it is believed to contain the largest of the world's remaining energy reserves. This year has brought about a frenzy of oil and gas exploration which will only increase as the ice recedes. The coming summer will bring an even more intense search for resources. Cooperation will be required among the northern nations to avert territorial disputes and conflicts at the top of the world.