Author: David A Gabel, ENN

  • Global CO2 Emissions Increased in 2010

    During the heart of the recession in 2009, CO2 emissions fell as economic activity slowed. Now that the world is seeing modest signs at recovery, the pace of economic activity has picked up and so have the CO2 emissions. According to a new study from the University of Exeter in the United Kingdom, the planet…

  • Assessing the US Supply of Rare Earth Elements

    In the headlines lately has been news of China’s monopoly of rare earth elements (REE), adding to China’s growing clout. It would increase their leverage should they choose to reduce exports, causing REE prices to soar. The United States imports almost all of its REE from China, putting it in a position of geopolitical weakness.…

  • Watershed Week for Wild Tigers Around the World

    Next week may be make-or-break for the future of wild tigers around the world. Russian Prime Minister Vladimir Putin will be hosting delegations from tiger-range countries for the first ever International Tiger Summit in Saint Petersburg. Heads of state from 13 tiger-range countries plus a high-level delegation from the United States will gather to discuss…

  • Watershed Week for Tigers Around the World

    Next week may be make-or-break for the future of wild tigers around the world. Russian Prime Minister Vladimir Putin will be hosting delegations from tiger-range countries for the first ever International Tiger Summit in Saint Petersburg. Heads of state from 13 tiger-range countries plus a high-level delegation from the United States will gather to discuss…

  • Modern Insecticides’ Devastating Effects

    Like DDT before it, a new class of insecticides known as neonicotinoids is believed to be causing drastic population declines in bird species. It is so effective at killing insects, that it has deprived birds of their basic food. Some scientists also believe they are behind the decline in bee populations in Europe and the…

  • EPA is Seeking New Standards for Home Efficiency Retrofits

    In seeking to establish new standards for home improvements that would increase energy efficiency, the EPA is asking for comments from the public. They have released a draft protocol which contains a series of best practice tools that would protect indoor air quality during a home energy retrofit. The goal is to devise a set…

  • Land and Sea Predators Create a Similar Ecological Effect on Their Environment

    In ecology class, students are taught the effects of keystone species, the dominant species in the ecosystem. They are the top dogs, the big fish. The keystone species have a disproportionate effect on their environment and can determine the types and numbers of species in their ecosystem, not just their prey. A recent study published…

  • New Bomb-Sniffing Machine Able to Replace Dog

    Dogs have been used by the humans for many years. Their greatest tool, which has been prized by authorities in particular, is their incredibly sensitive nose. Some experts believe that their sense of smell is 100,000 times better than that of humans. However, their reputation as bomb-sniffers is now being put to the test with…

  • EPA and US Customs and Border Protection Team Up to Enforce Clean Air Act

    The US Environmental Protection Agency (EPA) is working with the US Customs and Border Protection (CBP) on ensuring that imported vehicles and engines comply with Clean Air Act (CAA) requirements. Such items are commonly imported from foreign countries, such as sports cars, motorcycles, and even electrical generators. These items can now be found on the…

  • California’s Air Quality Plan to be Rejected by the EPA

    Yesterday, the US Environmental Protection Agency (EPA) proposed to disapprove plans developed by the California Air Resources Board (CARB). The air quality plans aimed to bring areas with poor air quality such as the South Coast and San Joaquin Valley into attainment with national health standards for particulate emissions. The fine particulates, known as PM2.5…