Many people consider the Swiss Alps a natural paradise. Little do they know that it is man-made; existing only because because farmers have been driving their livestock up into the mountains for centuries. As more Swiss perfer a modern, urban life, this ancient tradition is fading with the result that these meadows are disappearing. This film follows a group of scientists as they seek to preserve their unique landscape.

Social media is changing how the world works. Nowhere is that more apparent than in Africa's most populous city, Lagos. In this bustling metropolis of an estimated 23 million people, around 10 million are under the age of 25 and their numbers are rising rapidly. Tech savvy and increasingly well connected, they have embraced social media and, in the process, a new generation of high profile and highly paid personalities have emerged. In this episode...

Arnold Schwarzenegger explores how the military is adapting to climate change and limiting national security risk by increasing energy efficiency and using renewables, but needs to increase the pace of this adaptation. In Kuwait, he sees how fuel convoys are responsible for most US soldier deaths. He finds how our armed forces are dealing with an increased number of climate-related military conflicts and natural disasters. Cattle ranching, drought,...

This program illustrates the physical, biological, and chemical treatment processes required to decontaminate industrial and residential wastewater and describes ways in which discharge is being put to work. Two wastewater treatment facilities are toured-one a traditional bricks-and-mortar operation and the other a constructed wetland system. Also, Steve Woods, of the Bayou Marcus Water Reclamation Facility; Thomas Byrom, of the Galveston Bay Estuary...

The fossil fuel industry’s history of casting doubt and delaying action on climate change. Part three of a three-part series tracing decades of casting doubt on the science, missed opportunities and the ongoing attempts to hold Big Oil to account.

Survival of the fittest is a phrase coined by economist Herbert Spencer and often used to imply that competition, not consensus, is the fundamental means of survival. But an age-old spiritual concept-that placing the common good ahead of self-interest will enhance both-has been getting new attention. In this program, Hazel Henderson and ethical investing leader Terry Mollner assert that even in the financial realm, cooperation can outperform competition....

Based on the economic principle of demand management, London's congestion charge challenges the 20th-century notion that cities should be designed around cars and asks drivers to pay for access to public roads and parking spaces. Thanks to visionary municipal leaders like Deputy Mayor Nicky Gavron, this plan is the core of a sweeping push to transform London into a transit-efficient and pedestrian-friendly mega-city in time for the 2012 Olympics.

In this bold, radically hopeful book, a data scientist, drawing on the latest research, practical guidance and eye-opening graphics, gives us the tools for understanding our current environmental crisis and making lifestyle changes that actually have an impact.

Environmental protection laws have spawned a whole new form of business: firms that specialize in handling ecological regulatory issues for industry. To what extent are environmental standards achieving the goal of purifying America's air, land, and water? And to what extent are those selfsame standards contributing to the growth of a market geared toward simply meeting the legal minimums in order to avoid penalties? In this program, Betsy Taylor,...

When dragons cut down too many trees, blow out too much hot air, and do other environmental damage, the future looks grim, but other animals advise them on how to mend their ways and save the planet.