The Center for Biological Diversity will file a legal challenge to an Obama administration policy, finalized today, that severely limits when a species qualifies for protection under the Endangered Species Act - a change that ignores both broad legal precedent and congressional intent. Under the Act a species qualifies for protection when it is "in danger of extinction in all or a significant of portion of its range."
Both Congress and the courts have explained that the "significant portion of range" provision is vital for important conservation because it allows federal wildlife agencies to protect species before they are at risk of going extinct globally. But the newly finalized policy sharply restricts the use of this part of the Act, defining "significant" to mean that only when the loss of a part of a species' range threatens the survival of the whole species would wildlife agencies protect that species under the Act.
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Las mujeres embarazadas que vivÃan en las proximidades de campos y granjas donde se aplican pesticidas quÃmicos experimentaron dos tercios de mayor riesgo de tener un hijo con trastorno del espectro autista o de otro retraso en el desarrollo, según revela un nuevo estudio.
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It took humans around 200,000 years to reach a global population of one billion. But, in two hundred years we've septupled that. In fact, over the last 40 years we've added an extra billion approximately every dozen years. And the United Nations predicts we'll add another four billion—for a total of 11 billion—by century's end. Despite this few scientists, policymakers, or even environmentalists are willing to publicly connect incredible population growth to worsening climate change, biodiversity loss, resource scarcity, or the global environmental crisis in general.
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In support of President Obama's Climate Action Plan, the U.S. Environmental Protection Agency (EPA) is proposing to increase the options for refrigerants in the United States that offer better climate protection without harming the ozone layer. This is the agency's first action that addresses refrigerants under the Climate Action Plan, which calls on EPA's Significant New Alternatives Policy (SNAP) Program to identify and approve additional climate-friendly chemicals.
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It seems as more and more of the fish available to us in the supermarket and in restaurants is farmed. Is this good or bad? Probably a bit of both. Raising fish in fish farms doesn't impact the wild fish to any great extent, but fish farms must be well situated, and well run to prevent problems. They are not natural ecosystems!
Aquaculture has become a booming industry in Chile, with salmon and other fish farmed in floating enclosures along the South Pacific coast. But as farmers densely pack these pens to meet demand, diseases can easily pass between fish — for example, an outbreak of infectious salmon anemia that emerged in 2007 caused the deaths of more than a million fish and threatened to cripple the industry. And unsustainable aquaculture methods can have a wider impact, spreading disease to the world’s already vulnerable ocean fisheries and contaminating the environment.
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El especialista en energÃa Anesco va a emprender una importante regeneración de una serie de antiguas minas de carbón con el desarrollo de una cartera solar de 30MW.
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