The key players in these cycles are Earth's obliquity, the precession of its rotational axis and the shape of Earth's orbit around the sun. Obliquity refers to Earth's tilt. Imagine drawing a ...

The study shows that these jumps in CO 2 occurred at times when the inclination of the Earth's axis of rotation in relation to the plane of its orbit around the sun, known as obliquity ...

EARLY HISTORY OP THE EARTH–FIRST CRITICAL PERIOD ... correlation the length of the present day and month, the obliquity of the ecliptic, and the inclination and eccentricity of the lunar ...

Earth Day is celebrating its 55th anniversary this year. The environmental event is marked by an estimated one billion people across more than 190 countries, according to the Earth Day ...

Apr. 23, 2025 — In the soils of Earth's wetlands, microbes are in a tug-of-war to produce and consume the powerful greenhouse gas methane. But if the Earth gets too hot, it could tip the scale ...

Changes in Earth's orbit have helped pace climatic change ... whereas higher latitudes are mainly affected by changes in obliquity. Since the Earth is tilted in its orbit, not all the Earth ...

Earth Day highlights the actions we can take to address environmental problems. Earth Day is a global event held every year on April 22, dedicated to celebrating Earth's natural beauty and raising ...

The Sphere in Las Vegas gets some homegrown imagery for Earth Day. Eight local students – all winners of the Second Annual Sphere XO Student Design Challenge – will have their art creations ...

Saint Louis University’s Department of Earth, Environmental and Geospatial Science combines strong classroom and field-based instruction with internationally recognized research. The department offers ...

There’s no place like home, as the saying goes. And on April 22 each year, we’re invited to celebrate our home by observing Earth Day. From a woman tackling waste by creating meals for the ...