This video explains the Hydrologic Cycle, also known as the Water Cycle, through animation, graphics, and video clips. It illustrates key "flow" and "storage" processes, including precipitation,

This video explains the Hydrologic Cycle, also known as the Water Cycle, through animation, graphics, and video clips. It illustrates key "flow" and "storage" processes, including precipitation, interception, runoff, infiltration, percolation, groundwater discharge, evaporation, transpiration, evapotranspiration, and condensation.

Published on July 12, 2013.

This discussion focuses on women's economic empowerment in the Pacific, featuring Amy Luinstra (International Finance Corporation), Joanne Crawford (International Women's Development Agency), and

This discussion focuses on women's economic empowerment in the Pacific, featuring Amy Luinstra (International Finance Corporation), Joanne Crawford (International Women's Development Agency), and Amanda Donigi (Stella Magazine, PNG). Luinstra is involved with Papua New Guinea's Business Coalition for Women, the Pacific's first organization of its kind.

Globally, women earn less than men, are half as likely to hold full-time jobs, and their incomes are 10-30% lower. Only 24% of senior management roles worldwide are held by women. Journalist Auskar Surbakti moderates this discussion, originally published on June 30, 2014.

WWF's Global Marine Programme works to increase international attention for ocean conservation and protect the high seas.

These international waters, comprising 64% of the oceans (half the

WWF's Global Marine Programme works to increase international attention for ocean conservation and protect the high seas.

These international waters, comprising 64% of the oceans (half the planet), lie beyond national jurisdiction and are open-access common areas. For more information, visit panda.org/highseas.

Economist Paul Krugman explains how the United States is becoming an oligarchy, a system our founders revolted against. He discusses redistribution, progressive taxation, and related

Economist Paul Krugman explains how the United States is becoming an oligarchy, a system our founders revolted against. He discusses redistribution, progressive taxation, and related concepts.

This analysis was originally published on April 18, 2014.

Robert Reich delivers a critical Tax Day message, highlighting a significant economic disparity. He explains why the wealthiest one percent often pay a substantially lower tax rate compared to the

Robert Reich delivers a critical Tax Day message, highlighting a significant economic disparity. He explains why the wealthiest one percent often pay a substantially lower tax rate compared to the rest of the population.

Reich's message also explores potential solutions and actions that can be taken to address this imbalance and promote a more equitable tax system.

Ben Collen explains current methods for monitoring biodiversity loss and introduces novel approaches to the challenge.

This discussion was originally published on January 29, 2013, via

Ben Collen explains current methods for monitoring biodiversity loss and introduces novel approaches to the challenge.

This discussion was originally published on January 29, 2013, via the Yale University YouTube channel. Learn more about Ben Collen.

For 45 years, Bernie Krause of Wild Sanctuary has recorded wild soundscapes, from wind and birds to insect larvae. His extensive work reveals how human

For 45 years, Bernie Krause of Wild Sanctuary has recorded wild soundscapes, from wind and birds to insect larvae. His extensive work reveals how human activity, even seemingly safe practices, has radically altered many natural environments.

Krause's recordings offer surprising insights into nature's symphonies, from a grunting sea anemone to a mourning beaver. This unique perspective, originally published July 15, 2013, highlights profound lessons we can learn from the natural world.

Tim Jackson, the UK's first Professor of Sustainable Development, directs the Research group on

Tim Jackson, the UK's first Professor of Sustainable Development, directs the Research group on Lifestyles, Values and Environment (RESOLVE) at the University of Surrey's Centre for Environmental Strategy.

This information was published on March 13, 2012.

Elinor Ostrom's Stockholm whiteboard seminar explores sustainable natural resource management. She explains how diverse global contexts allow communities to effectively utilize resources without

Elinor Ostrom's Stockholm whiteboard seminar explores sustainable natural resource management. She explains how diverse global contexts allow communities to effectively utilize resources without depletion.

This seminar was uploaded on April 3, 2009.