Plans to cut greenhouse gas emissions and reach carbon neutrality, to be announced during the 2019 summit, could be an important milestone in the global fight against climate change.

A long dip in oil prices could put several oil-producing countries under great strain, but some are better positioned than others to weather the downturn from the coronavirus.

Russia’s aggression against Ukraine has brought European dependence on Russian energy into sharp relief and set off a scramble for alternatives.