La Palma volcano spews some 250,000 tons of sulfur dioxide | Agencia EFE

Some 250,000 tons of sulfur dioxide (SO2) have been expelled into the air since the Cumbre Vieja volcano on the Spanish island of La Palma started erupting on September 19, the Volcanological Institute of the Canary Islands (Involcan) reported.

Cairo at bottom of list for efforts to minimise transport emissions

A report by the independent London-based Centre for Economics and Business Research (CEBR) has ranked Cairo at the bottom of a list of 35 cities ranked for their efforts to minimise greenhouse gas emissions from transport, Reuters reported on Tuesday.

Beijing's last large coal-fired power plant suspends operations

Beijing's last large coal-fired power plant suspended operations on Saturday, meaning the capital has become China's first city with all its power plants fueled by clean energy.

Mayon volcano (Philippines): volcanic unrest, alert level raised

There are signs that the volcano could be heading towards a new eruption in the medium term future (weeks to months). PHILVOLCS issued a warning and raised the alert level from Level 0 (normal) to Alert Level 1 (abnormal).