Phenology has been called the "oldest science." But watching the patterns of nature—and how they change over time—can give us fresh insight into how quickly the climate is changing.
As Pennsylvania’s gas boom helps propel the United States away from coal-fired power, one energy researcher says the impact on climate change will be a wash.
There's a delicate calculation that goes into environmental regulations for air pollution -- the number of jobs in coal and other polluting industries we're willing to save versus the number of premature deaths as a result of pollution.
They can be devastating to native habitats like forests and wetlands--but you have to give it to them: invasive plants are successful, in part, because they’re flexible.