CO2 levels hit record high for 30th year in a row

Greenhouse gas levels in the atmosphere reached a record high in 2014 as the relentless fuelling of climate change makes the planet more dangerous for future generations, the World Meteorological Organization (WMO) said on Monday (9 November). The rise in carbon dioxide levels was being amplified by higher levels of water vapour, which were in turn rising because of carbon dioxide emissions, the WMO said. "We have broken a new record once again − over the last 25 years, between 1990 and 20