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.

The living world has become impoverished. Species are being lost every day. Energy and other resources are nearing exhaustion. The environment is deteriorating. Pollution is everywhere. Climate is changing. Natural balances are threatened.

Every once in a while, I get mad. 'The Lorax' came out of my being angry. The ecology books I'd read were dull... In 'The Lorax,' I was out to attack what I think are evil things and let the chips fall where they might.

I want to be really proactive in working with the progressive business community in Australia and also reaching out to rural and regional Australia in order to assist in the sustainability crisis and the food security crisis.

Placing limits on carbon pollution from power plants is about ensuring that we have clean air to breathe and communities that are safe to live in. Carbon pollution limits are about defending families who have borne the heaviest burden of the main pollutant that is driving climate change.