Buzzing about on pure sunlight sounds compelling but simple math (and physics) makes it impossible.

Environmental activists blasted them as lacking enforcement and the necessary scope.

No matter how much land we smother in subsidized wind farms and solar panels, they will still fail.

The proposal would have hiked fees and taxes on CO2-generating fuel and natural gas.

Basing the health of the Great Barrier Reef by aerial surveys is convenient but not scientific.