Nuclear industry proponents often assert that low doses of radiation (eg below 100mSV) produce no ill effects and are therefore safe. But , as the US National Academy of Sciences BEIR VII report has concluded, no dose of radiation is safe, however small, including background radiation; exposure is cumulative and adds to an individual's risk of developing cancer.

Teachers, I believe, are the most responsible and important members of society because their professional efforts affect the fate of the earth.

We are the curators of life on earth. We hold it in the palm of our hand.

Cuba is a wonderful country. What Castro’s done is superb.

As a physician, I see the earth as a patient in the intensive care unit. We have an acute clinical crisis on our hands and must take urgent action. My prescription for survival is that the American people rise up as they did in the 1980s, when 80 percent of Americans supported the nuclear weapons freeze.

The problem with addicted people, communities, corporations, or countries is that they tend to lie, cheat, or steal to get their 'fix.' Corporations are addicted to profit and governments to power.

Every time you turn on an electric light, you are making another brainless baby.