Oil companies are rushing to search for oil in the Arctic, which will constitute an additional positive feedback in global heating.

The floods that global heating will bring are likely to destroy valuable farmland as well as people's homes.

A campaign to eradicate mice and rats on South Georgia island may allow seabirds to return.

A UK thug who called an arrested man a "nigger" has been fired.

In general, expressions of racist views should not be a crime. Freedom of speech must include the ideas we disagree with.

However, public officials dealing with the public are a special case, because they represent the state. They must conduct themselves without prejudice — not only in their words, but in their acts (such as searching people on the street).

The Egyptian army has removed Morsi as president.

Intervention of the military in politics is always dangerous, but in Egypt the alternative was dangerous too. The army says it will make the head of the constitutional court an interim president to hold new elections for president and congress. On the other hand, I have read it has shut some TV channels, including the Egyptian branch of al-Jazeera. I don't think I can tell whether this is heading for democracy or tyranny.