As a member of the House Intelligence Committee, I have made our nation's response to cyberwarfare a primary focus.

The impact of our warming planet will likely lead to even stricter zoning and building codes to account for the rising sea levels visible in places like South Beach - even on days without a cloud in sky.

There's certain issues, as I say in my speeches, that I'm not going to compromise on; I'm not going to compromise on a woman's right to choose and on marriage equality.

A lot of folks look at the political calculation and then determine the policy. I think that's backward.

I believe the earth's climate is changing, but I think it's changing for natural variation reasons and I think mankind has been adapting to climate as long as man has walked the earth.

It's the poorer people in tropical zones who will get really hit by climate change - as well as some ecosystems, which nobody wants to see disappear.

Those who say that climate change doesn't exist are being understood as the flat-earthers that they are, as the people who deny the link between smoking and cancer, as the people who denied the link between HIV and AIDS.

E-waste is the fastest growing waste stream in the United States and can pose serious environmental and health problems here and around the world when not handled properly.