The volcano, about 200km (125 miles) west of Tokyo, erupted at about noon on Saturday, spewing ash and rocks.
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The People’s Climate March is campaigning for curbs on carbon emissions, ahead of the UN climate summit in New York next week.
Huge demonstrations have been taking place in Australia and Europe.
Authorities on Hawaii’s Big Island have declared a state of emergency as lava from the Kilauea volcano threatens residential communities and roads. Is there any way to stop a lava flow and save the homes in its path?
The study says the number of reported major flood events has increased, but in parallel with population growth and a boom in building in vulnerable areas.
Scientists have struggled to explain the so-called pause that began in 1999, despite ever increasing levels of CO2 in the atmosphere.
Atmospheric CO2 is now at 142% of the levels in 1750, before the start of the industrial revolution.
However, global average temperatures have not risen in concert with the sustained growth in CO2, leading to many voices claiming that global warming has paused. What is the truth? What do you think?
Article/story all about the Heimaey eruption which happened way back in 1973.
Update on volcanic activity in Iceland. Updated 5th September with radio interview.