Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

A team of astrophysicists, geoscientists, chemists and life scientists affiliated with a host of institutions in Japan has found evidence that billions of years ago, the Earth's oceans were green.

Beyond the traditional tree plantings and green attire, Earth Day serves ... a future where sustainability becomes the norm. Earth Day 2024 Theme: ‘Planet Vs Plastic’ This year’s Earth ...