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Earth’s ozone layer healing: UN

The ozone layer had been thinning since the late 1970s. Scientists raised the alarm and ozone-depleting chemicals were phased out worldwide. As a result, the upper ozone layer above the northern hemisphere should be completely repaired in the 2030s and the gaping Antarctic ozone hole should disappear in the 2060s, ... Read More »

Famous theory of the living Earth upgraded to ‘Gaia 2.0’

A time-honoured theory into why conditions on Earth have remained stable enough for life to evolve over billions of years has been given a new, innovative twist. For around half a century, the ‘Gaia’ hypothesis has provided a unique way of understanding how life has persisted on Earth. It champions ... Read More »

Earth at risk of heading towards ‘hothouse Earth’ state

Keeping global warming to within 1.5-2°C may be more difficult than previously assessed, according to researchers. An international team of scientists has published a study in Proceedings of the National Academy of Sciences (PNAS) showing that even if the carbon emission reductions called for in the Paris Agreement are met, ... Read More »

Mars reaches its closest approach to Earth in 15 years

It is the closest the two planets have been to one another since the historic 55.6 million kilometers close approach in August 2003, the agency said. Team members from NASA’s Jet Propulsion Laboratory gathered at Griffith Observatory in Los Angeles, California, to view the big event. The next similar close approach ... Read More »