Environmental News Network

  • Carbon dioxide fertilization is greening the Earth
    From a quarter to half of Earth’s vegetated lands has shown significant greening over the last 35 years largely due to rising levels of atmospheric carbon dioxide, according to a new study published in the journal Nature Climate Change on April 25.
  • The impacts of air pollution on the developing fetus
    Even small amounts of air pollution appear to raise the risk of a condition in pregnant women linked to premature births and lifelong neurological and respiratory disorders in their children, new Johns Hopkins Bloomberg School of Public Health research suggests.Fine particles from car exhaust, power plants and other industrial sources are breathed into the lungs, but the scientists have now found evidence of the effects of that pollution in the pregnant women's placentas, the organ that connects her to her fetus and provides blood, oxygen and nutrition. They found that the greater the maternal exposure to air pollution, the more likely the pregnant women suffered from a condition called intrauterine inflammation, which can increase the risk of a number of health problems for her child from the fetal stage well into childhood. 
  • Coral Reef Discovered Near Mouth of Amazon River
    While currently more than half of the world’s coral reefs are potentially threatened by humans, scientists just made an incredible discovery: a coral reef the size of Delaware flourishing near the mouth of the murky and Amazon River in Brazil.Coral reefs don’t typically thrive in murky waters, which makes the discovery even more shocking.
  • Long-eared bat denied habitat protection under the Endangered Species Act
    Although northern long-eared bat populations have declined by 90 percent in their core range, the U.S. Fish and Wildlife Service today said it will not protect any of its critical habitat, saying it would not be “prudent” for the species. Under the Endangered Species Act, the government can opt not to designate critical habitat if there is factual evidence that a species would be placed at greater risk of extinction from poachers, collectors or vandals. But in the case of the northern long-eared bat, which is listed as “threatened” under the Endangered Species Act, there is almost no evidence that the species is at risk from these types of threats. Instead its dramatic decline has been driven mostly by disease and habitat loss.  “This is a terrible turn of events for the northern long-eared bat,” said Tanya Sanerib, an attorney at the Center for Biological Diversity. “If you don’t protect the places endangered species live, it becomes that much harder to save them. This is yet another instance where the Fish and Wildlife Service has gone out of its way to appease special interests rather than protecting our most vulnerable animals.” 
  • Chernobyl, three decades on
    It was 30 years ago that a meltdown at the V. I. Lenin Nuclear Power Station in the former Soviet Union released radioactive contaminants into the surroundings in northern Ukraine. Airborne contamination from what is now generally termed the Chernobyl disaster spread well beyond the immediate environs of the power plant, and a roughly 1000-square-mile region in Ukraine, Belarus and Russia remains cordoned off, an exclusion zone where human habitation is forbidden.The radiation spill was a disaster for the environment and its biological inhabitants, but it also created a unique radio-ecological laboratory.
  • The ohia tree is in trouble
    The ʻohiʻa is Hawaii’s iconic tree, a keystone species that maintains healthy watersheds and provides habitat for numerous endangered birds. But a virulent fungal disease, possibly related to a warmer, drier climate, is now felling the island’s cherished `ohi`a forests.Hawaii’s isolation, 2,390 miles from the North American mainland, has given the island chain a unique array of species found nowhere else, including the ʻohiʻa lehua, an evergreen in the myrtle family with delicate pom-pom-shaped flowers composed of clusters of showy stamens in a range of hues from red and orange to pale yellow. In 2010, homeowners on the Big Island of Hawaii began reporting that ʻohiʻa in their upland rainforest were dying without apparent cause. Researchers named the mysterious condition “Rapid ʻOhiʻa Death” (ROD). On Google Earth, you can see the telltale brown streaks in the Puna forest reserve, Hawaii's largest remaining upland rainforest located on the slope of Kilauea volcano, where many ʻohiʻa lehua (Metrosideros polymorpha) trees have already succumbed. If you scroll over 60 miles to the west to the other side of the island, the green canopy behind Kealakekua Bay on the Kona coast — where Captain James Cook first set foot on Hawaii and was later killed — is pocked with the bleached skeletons of dead and dying trees. Scenes like these have become commonplace in the American West, where several conifer species, weakened by long-term drought and warmer temperatures, have been decimated by bark beetles. Researchers are wondering if climate change may also have stressed ʻohiʻa trees, perhaps helping to trigger the current outbreak on Hawaii. The fungus clogs the vascular system of the trees, making them wilt and die as if from a drought.An overall decrease in trade winds has created drier conditions in recent years in parts of the islands, at the same time that rising temperatures have warmed things up in the cool upland forests where ʻohiʻa thrive. 
  • Do you live in one of America's worst cities for air pollution?
    The American Lung Association has released its annual “State of the Air” report and its findings are troubling. Most Americans live in counties with air pollution so bad that it is a severe risk to their health. According to the report, that means 166 million people are at risk of an early death and significant health problems including asthma, developmental damage and cancer.Without a doubt the most concerning discovery made by the American Lung Association was that short-term particle pollution had increased sharply since last year’s report: “Short-term spikes” of particle pollution hit record levels in seven of the 25 most polluted U.S. cities in this period.

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