A underwater drone has been constructed that can recognize and destroy the starfish that are eating the Great Barrier Reef.

The biggest threat to the Great Barrier Reef (and most of the ecosphere) is fossil fuel combustion. Could we design a drone to recognize and destroy oil wells?

Everyone: Call on the USA to stop supplying arms for use in bombarding and attacking Yemen.

If you send a letter, please spread the word!

US citizens: phone your senators and call on them to demand to see the full papers of Kavanaugh's White House advice to Dubya.

The Capitol Switchboard numbers are 202-224-3121, 888-818-6641 and 888-355-3588.

If you phone, please spread the word!

In the US: participate in a Rise for Climate rally on Sep 8.

Here's the idea of the protest.

A part of New Zealand plans to ban cats in order to protect the native birds.

Mice and rats are intrusive species in New Zealand, like cats. In a few decades it may be possible to eliminate all mice in that country, as well as all rats and all cats.