The United States has 3.1 million green jobs, according to the Bureau of Labor Statistics.
High temperatures in the Midwest are as much as 40 degrees F above normals for this time of year.
Is the EPA ever going to regulate greenhouse gas emissions from power plants?
The new baby giraffe at the Bronx Zoo weighed more than 100 pounds at birth.
Scientists in Europe are working on making a battery out of paper and pulp waste.