The Quad, composed of the United States, Australia, India, and Japan, is not a formal alliance. Still, the group has intensified its security and economic ties as tensions with China rise.

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.

As COVID-19 continues to ravage countries including Brazil and India, scientists warn that cases and deaths are being undercounted. Without accurate tallies, government responses won’t be enough to d…

President Biden hopes to show that the United States is ready to be a leader again in combating climate change.