By 600 million years ago, Earth’s oceans had changed drastically. Without large amounts of iron hydroxide to absorb blue light, the oceans finally took on the deep blue color we see today ...

However, a world without oceans is an unlikely scenario ... average global temperature could have catastrophic effects on Earth. The IPCC's Special Report (Intergovernmental Panel on Climate ...

Earth’s oceans, climate, and ecosystems have never been static. From the iron-rich green waters of ancient Earth to the blue oceans of today, the planet’s color has reflected its ever-changing ...

Due to evolutionary pressures and the light spectrum available to photosynthesizing cyanobacteria on early Earth, the world’s oceans were likely much greener than they are today. Although the ...

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.

To the Ends of the Earth: The Natural World - Oceans is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV ...

For a long stretch of Earth’s history, our planet might have looked green from a distance, instead of the pale blue dot we know today. Earth’s green period, which lasted from around 3 billion ...

This Review explores the past and present links between Arctic bathymetry, tectonics, oceans and climate. Nucleation and growth of Earth’s solid inner core has a crucial role powering the ...

Without these ocean gyres to moderate temperatures, the Earth would be uninhabitable. In the last few decades, however, the oceans have undergone unprecedented warming. Currents have shifted.