Country sizes vary according to what is being measured

...and the responses...pretty much covers the topic!

"Hunter-gatherers practiced the most successful and logest-lasting life style in human history. In contrast, we’re still struggling with the mess into which agriculture has tumbled us, and it’s unclear whether we can solve it."

'The World Wide Web's Most Comprehensive Source'

'The Project Habitat is designed as an accurate recreation of a rainforest, housing thousands of bird, tree, and plant species indigenous to the Amazon. With over 75,000 square feet under roof, the wildlife in the habitat will be uncaged, free to behave exactly as they do in their native lands'

'Lighter Footstep is a web-based magazine dedicated to sustainable living: learning to thrive in our personal and business lives by making wiser choices.'

This is a inspiring example of blending techno- and natural approaches to eco-friendliness. '...Our twelve hundred square foot roof captures on average 3600 cubic feet (27,000 gallons) of water per year...'

An article on a specific case of visible, noticeable effects of global warming on an island nation