The Earth Day event has created a rift between those who want to defend their field and those who worry it will hurt their cause.

President Donald Trump tried to be more presidential and inclusive in his speech to Congress, but his dominant message remained a fearful one.

The president did little on Tuesday night to save his failing agenda.

The Trump administration has already started rolling back clean water protections.

They're hoping a morally obscene sales pitch, and an aggressive squeeze play, will doom the Affordable Care Act.

With Donald Trump creating a leadership void, other countries must build on the momentum of the Paris agreement.

Republican lawmakers are trying to criminalize dissent. Does this herald a larger and more dangerous backlash against free speech?