The intrusion of saltwater from the sea into rivers and groundwater is a serious issue, but the threat is not from a reversal of flow, and our far inland lakes and rivers are not expected to be directly affected by the salty water of our oceans. However, the sensitive areas around the edges of our continents, where fresh water meets salt water, are at risk, and greater efforts must be taken to protect them.
Querido DiálogoEcológico: ¿Es verdad que algunas botellas de bebé contienen productos químicos que pueden causar problemas de salud en los bebés? ¿Si es así cómo puedo encontrar alternativas que sean más seguras?
Dear EarthTalk: Is it true that some baby bottles contain chemicals that can cause health problems for babies? If so, how can I find alternatives that are safer?
Protecting remaining old-growth forest is important for many reasons. These areas provide some of the cleanest drinking water in the world, critical salmon and wildlife habitat, world-class recreational opportunities and critical carbon..
The Florida Everglades has shrunk to less than half its former size. Wading bird populations have plummeted by over 90 percent. Sixty-eight species of plants and animals are threatened or endangered with extinction. The patient is dying.
Last week, in the waning days of the Bush White House, officials from the U.S. Office of Surface Mining (OSM) granted a controversial permit to expand mining operations on Native American lands in northern Arizona.
Sixteen conservation and animal welfare groups called on the U.S. Fish & Wildlife Service last week to replace the prominent photograph of an endangered Mexican gray wolf on its website because the animal was trapped and inadvertently killed by the agency.
No links connecting specific human illnesses to chemicals oozing out of baby bottles have been proven definitively. Nonetheless, many parents are heeding the call of scientists to switch to products with less risk.
Querido DiálogoEcológico: Quiero convencer a mi escuela secundaria de que se haga más ecologista. ¿Qué costaría para que una escuela se cambie a productos de papel reciclados y a toda la iluminación económica de energía?
Querido DiálogoEcológico: Con todo el debate sobre la desalinization del agua de océano para hacerla bebible, ¿qué sabemos sobre los impactos que esto pudiese tener en el clima, la salinidad del océano y otros procesos naturales?
Spreading out wind power over small and midsized projects can bring a more stable energy supply and act as a launchpad for bigger applications.
A memoir by David Helvarg of the ocean, family, love, diving and disappearance.
