The UK has reopened too fast; the Delta variant of Covid-19 is spreading. This was quite predictable.

What the UK needs is leadership in taking the steps to prevent transmission. But it won't get that from Bogus Johnson, whose repeated policy changes have not given Britons a reason to trust his judgment. Officials' breaking their own hygiene rules have led Britons to disregard the same rules.

Ethiopia has build a large dam on the Blue Nile. Egypt and Sudan worry that by retaining water in Ethiopia, it will reduce their share of the water.

Egypt and Sudan have coasts, and can do solar-powered desalinization (very expensive) to purify sea water. That is the only solution for the medium-term — the only way to make enough potable water for the growing population.

In the long term, curbing and then reversing population growth is the only way.

Artificial light at night on coastal reefs seems to kill 20% of young clownfish there.

US citizens: call on Biden to lift sanctions that are blocking Covid relief.

US citizens: call on Congress to fully fund a zero emission transit policy now.