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.

The United Kingdom and European Union are engaged in another bout of Brexit brinkmanship, with Prime Minister Boris Johnson pushing a bill that would undo their previous agreement. Here’s what to kno…

The global distribution of COVID-19 vaccines is underway, but the emergence of new coronavirus strains threatens to make the pandemic far worse before it gets better.

Several countries stand out for their success in delivering coronavirus vaccinations, while most of the world is struggling to figure out how to get immunizations into more arms.