The United States has an absolute, uncompromising commitment to Israel's security and an absolute conviction that Israel alone must decide the steps necessary to ensure that security. That is Israel's prerogative. We accept that. We endorse that. Whatever Israel decides cannot, will not, will never, not ever, alter our fundamental commitment to her security.

Making consumer choices that reward eco-friendly products and companies is a great way to start.

The truth is that we're at a critical juncture in the history of our species and if we don't act soon, we could inhabit a world we don't recognize anymore.

When we respond to threats immediately and take action right away, it's usually the threats that we're hard-wired to respond to, the kinds of things that our ancestors survived.

Unless we act boldly and quickly to deal with the underlying causes of global warming, our world will undergo a string of terrible catastrophes.

I want to extend condolences to the families of those who died in the service of the United Nations.

Cigarette smoking is a significant contributor to global warming!