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The linkage of CO2 to long term climate change
November 25, 2013 06:07 AM - Roger Greenway, ENN
Carbon dioxide is known to contribute to climate. When levels of CO2 increase, the atmosphere reacts with rising temperatures. The linkage here is well understood, and accepted as a proven hypothesis. It follows that if we reduce our emissions of CO2 that atmospheric levels will gradually reduce and the impacts to global temperatures will also be reduced. New research by Princeton University has shed light on this and indicates that there is a lingering effect of CO2 that could have long term consequences. The study suggests that it might take a lot less carbon than previously thought to reach the global temperature scientists deem unsafe. The Princeton researchers simulated an Earth on which, after 1,800 billion tons of carbon entered the atmosphere, all carbon dioxide emissions suddenly stopped. Scientists commonly use the scenario of emissions screeching to a stop to gauge the heat-trapping staying power of carbon dioxide. Within a millennium of this simulated shutoff, the carbon itself faded steadily with 40 percent absorbed by Earth's oceans and landmasses within 20 years and 80 percent soaked up at the end of the 1,000 years.
IKEA Invests In Canadian Wind Farm
November 21, 2013 10:27 AM - Gina-Marie Cheeseman, Triple Pundit
IKEA is the world’s largest home furnishings retailer, with over 340 stores in 40 countries, including 38 in the U.S. That’s one big reach. IKEA would like its reach to be powered with renewable energy.
Japan pledges to raise carbon emissions, not cut them
November 21, 2013 09:00 AM - Jeremy Hance, MONGABAY.COM
In 2009, Japan pledged to cut its carbon emissions by 25 percent based on 1990 levels within 11 years. Four years later—including a nuclear meltdown at Fukushima—and Japan has reset its goal with a new target to cut emissions by 3.8 percent based on 2005 levels at the UN Climate Summit in Warsaw, Poland. But, the new target, which received widespread condemnation when announced on Friday, actually results in a 3.1 percent rise in emissions when viewed from the widely-accepted 1990 baseline. "The new target is based on zero nuclear power in the future. We have to lower our ambition level," said Hiroshi Minami, Japan's delegate at the 19th annual Conference of the Parties (COP) to the UN Framework Convention on Climate Change (UNFCCC).
EPA Incentivizes Retrofitting and Replacing Diesel Construction Engines
November 20, 2013 02:17 PM - ENN Staff
Construction vehicles and equipment are major sources of diesel pollution and unfortunately can pose as serious public health threats since diesel exhaust contains more than 40 toxic air contaminants, carcinogens, and fine particular matter. In an effort to reduce this harmful air pollution and improve air quality in local areas, the US Environmental Protection Agency (EPA) has created a program which incentivizes replacing or retrofitting older diesel construction engines. The EPA has set aside $2 million in funding for rebates to help public and private construction owners make this switch.
Carbon emissions set to hit new record high in 2013
November 20, 2013 10:21 AM - Jeremey Hance, MONGABAY.COM
The amount of carbon dioxide emitted into the atmosphere in 2013 is expected to hit a new high of 36 billion tonnes, according to a Carbon Budget released today by the Global Carbon Project (GCP). This is a 2.1 percent rise from 2012 based on data from the same group.
Plug up the COAL; keep it in the ground!
November 19, 2013 12:43 PM - reprint from UNEP Climate Change Conference
Christiana Figueres, executive secretary UNFCCC, Speaks to the World Coal Association in Warsaw: invest in renewables and leave most of your coal underground. The path forward begins in the past, recognizing that coal played a key role in the history of our economic development. From heating to transportation to the provision of electricity, coal has undoubtedly enabled much of our progress over the last 200 years.
Does Biodiesel Suffer From Ethanol’s Bad Rap?
November 19, 2013 08:10 AM - CleanTechies Guest Author, Clean Techies
Biodiesel and ethanol both fall under the category of "biofuels," which describes any fuel synthesized from plant or animal matter. But that’s pretty much where the similarities end.
Children's Congenital Heart Defects Linked to Environmental Toxins
November 18, 2013 11:06 AM - Editor, ENN
Approximately 8 out of every 1,000 newborns have congenital heart defects — abnormalities in the heart's structure that happen due to incomplete or irregular development of the fetus' heart during the first stages of the mother's pregnancy. While some are known to be associated with genetic disorders, the cause of most of these heart defects is unknown. However, according to research presented at the American Heart Association's Scientific Sessions 2013, heart defects in children may be associated with their mothers' exposure to specific mixtures of environmental toxins during pregnancy. Researchers examined patterns of congenital heart defects incidence and presence of environmental toxicants in Alberta, Canada. The ongoing research seeks to determine if pregnant women's proximity to organic compounds and metals emitted in the air impacts the risk of heart defects in their children.
Ocean acidification set to spiral out of control
November 15, 2013 06:57 AM - Jan Piotrowski, SciDevNet
The continued release of greenhouse gases into the air is set to bring about huge changes to land ecosystems as they are forced to adapt to rising temperatures. But the marine world — which is just as integral to human existence yet receives little attention during climate negotiations — will endure a similarly tumultuous time as emissions rise, scientists say. "Changing oceans will cause massive destruction of coral reefs, which, with their rich biodiversity, are the jungles of the sea," says Luis Valdes, the head of ocean science at UNESCO's Intergovernmental Oceanographic Commission (IOC-UNESCO), and co-author of a forthcoming report into ocean acidification.
China's Solution for Combatting Air Pollution? Convert Coal to Synthetic Natural Gas
November 14, 2013 09:17 AM - Kristina Chew, Care2
The air pollution in China has become the stuff of legend, or rather of nightmare. The number of lung cancer cases in the capital of Beijing has increased by more than 50 percent in the past decade. Just last week, an eight-year-old girl in the province of Jiangsu was diagnosed with lung cancer. In September, the government announced its Air Pollution Control Action Plan, its latest initiative to address air pollution so bad that the smog over northeast China for the past two weeks has been visible from space.