While Irish mountains are not the biggest or most spectacular, they have their own beauty which draws many visitors both domestic and international. That beauty is fragile and is already feeling the effects of climate change.
Spain is in the grips of a heatwave expected to reach "extreme" levels this week, and France is bracing for one too, as meteorologists blame the unusually high seasonal temperatures on global warming.
Australian bushfires have caused unprecedented pollution in Sydney and along the country's east coast, officials have said, with smoke and dust burning residents' eyes and prompting a spike in respiratory complaints.
In the heart of Iceland's volcano country, 21st Century alchemists are transforming carbon dioxide into rock for eternity, cleaning the air of harmful emissions that cause global warming.
