*Biden, Bolsonaro and Xi among leaders agreeing deal to end deforestation.*

* Campaigners warn Brazil may make empty promises at Cop26 to gain access to conservation money.*

Reporting from Cop26: *The sense of purpose at Cop26 is tangible.*

*As teens left Facebook, company planned to lure 6-year-olds, documents show.*

Let's take care not to focus on manipulation of children in a way that would excuse Facebook's manipulation of teenagers and adults.

New York City's order for city employees to get vaccinated convinced a large fraction to do so.

However, some occupations have a substantial fraction of workers who have yielded to right-wng brainwashing; they would rather die than protect themselves and the public.

I regret that firefighters have fallen into this irrationality, because a right-wing fireman is probably a good fireman nonetheless. However, a right-wing cop is likely to be a racist thug, therefore a threat to public safety. It's good to get some of them off the force.

India has made a climate commitment which won't make major reductions in greenhouse gas emissions until decades from now. All countries must push hard to reduce emissions, if we are to have a chance of avoiding global disaster.

That global disaster will hit India hard. Several major Indian cities are on the coast, at very low elevation, including Mumbai, Kolkata, Kochi and Kozhikode.