Much of the point of individual action is really to communicate with other people and with political leaders and to demonstrate to them that we are willing to live lives which are less dependent on fossil fuels and we'll show you that now by changing our individual life to some extent but we want you to take action, political leaders, so that we aren't living in a society in which we're dependent on poisoning the future in order to maintain present lifestyles.

In the last few centuries we've managed to reduce how much we kill each other, we've learned some basic lessons about public health, and life is relatively good for more people than ever before.

Citizens often think of a state's interests in terms of the promotion of ideals such as democracy, a particular way of life, or other values which they endorse or see as part of their historical continuity and identity. In this domain as in others values are not fixed, and so a state's interests are dynamic and in a constant state of negotiation and construction.

People will suffer and so will nature, but life is likely to go on with a great deal of loss and mourning. Human adaptability and resilience will still be alive, and so will that great need and resource of ours called love.

Ethical systems are fundamentally conservative and primarily directed towards regulating interactions within communities.

I think that by the middle of this century people will still be eating meat (though less), and their meat will mostly be produced in factories through synthetic processes, cell cultures, and so on.

If you're interested in doing something about climate change as we all should be, all of us who care about future people and creatures that will inhabit this world. Then buying a Prius is a good thing but an even better thing would be to be on the streets demanding urgent action from the United States' Congress.