Paleoclimatic records show clearly that the past 10,000 years, the Holocene, is a remarkably stable period in which we went from being a few hunters and gatherers to become more sedentary agriculture-based civilizations, which then moved us to the current populated modern era.

It is essential to ensure that the Fourth Industrial Revolution is a sustainable one for people and planet. It could even drive greater innovation, not only for short-term benefits and solutions for human wealth but also long-term solutions that benefit all and enable planetary stability.

The value of biodiversity is that it makes our ecosystems more resilient, which is a prerequisite for stable societies; its wanton destruction is akin to setting fire to our lifeboat.

There is an old belief that solving environmental problems can only be achieved by first building enough economic wealth so we can 'afford to save the environment.' This 'Kuznets Curve' thinking has never been correct and must be abandoned once and for all if we are serious about economic development for a thriving humanity on Earth.

It's so interesting that when I finished 'The X-Files' in 2002, the - call it the political and cultural climate in America - was one of fear, and trust of government. Because we put ourselves in the hands of the authority who was going to protect us. And, you know, we gave up a lot of our liberties to Homeland Security, etc.

Striking a balance between wildlife conservation and wind energy development starts with understanding threats to eagle populations and how our actions, including operating wind farms, are affecting them.

The Impact Channel and OurPlanet were created to increase awareness of environmental and social causes within the MySpace community.

The Arctic National Wildlife Refuge is a unique and biologically special place that should be preserved.