Surface water — like lakes, rivers, and reservoirs — is one major source of our drinking water. Groundwater is another. The surface water comes from precipitation, like rain and melting snow and ice. Surface water moves over land to collect in lower areas, so it can contain chemicals it absorbs along the way. Some cities, like Los Angeles and […]
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Science Magazine sponsors live chats on important scientific topics and this week the topic is “Saving the Earth’s Water Supply”.
Amphibians as a group are declining in numbers. A number of reasons are behind this decline. Among those reasons is agricultural pesticide and herbicide use. Dr. Tyrone Hayes has been on the front line working against atrazine use in the United States.
Current laws penalize the owners of water rights, reducing incentives to conserve. Rob Harmon has an idea for how the market can keep streams flowing.
Healthy frogs means healthy humans. Jean-Marc Hero, a vertebrate ecologist specializing in conservation biology of amphibians, biodiversity assessment and monitoring, and conservation physiology explains that the survival of the Earth depends on frogs. The survival of frogs depends on humans.
Today, there are more seven thousand species of amphibians in the world – more than six thousand of those species are frogs. With so many frogs, how can the survival of the planet depend on them? Well, in lots of ways.
One thousand dead ducks have been found dumped in the Nanhe River in Sichuan Province in China.
Dr. Tyrone Hayes’ story reads like a movie script. Originally from a segregated town in South Carolina, the young African-American studied tadpoles in his yard and later won a scholarship to Harvard. He then became the second-youngest tenured professor in the Integrative Biology Dept. at UC-Berkeley. While doing research on the effects of atrazine for the chemical company Novartis (now owned by Syngenta), Hayes discovered that the popular pesticide causes chemical castration and feminization in frogs and hormonal disruption in humans that can lead to infertility and breast cancer.
Coho salmon in urban streams are dying before they can spawn due to pollution from stormwater runoff.
Bit by bit, the Elwha River is returning to its former self.
A recent analysis shows that the world’s lakes are getting warmer at a faster rate than the air.
Asian carp has gained some notoriety in the United States as an invasive species and general pest. It’s proven difficult to eradicate and it’s poised to enter the Great Lakes. It seems it’s here to stay, so what to do with it? Feed China.
Last week, Japan’s Environment Minister declared the Japanese river otter extinct. There has not been a confirmed sighting of the Japanese river otter since 1979.