Louisiana is the latest state to redefine natural gas as green energy, even though it’s a fossil fuel that emits ...

Well, sure, a greener planet actually could be beneficial for humanity. But let’s not ignore the many not so beneficial effects. Seasonal-allergy sufferers could give you at least one.

Concrete is Earth’s second-most-used material behind water, creating about four times more CO2 emissions than planes. Some companies are trying to revolutionize the industry.