• BBC - Science & Nature - State of the Planet - Habitat loss - Habitat loss is the greatest threat to the natural world. We are taking over habitat at an alarming rate to provide ourselves with homes and agriculture as ...
• Habitat loss - From large-scale land clearing to the gathering of bushrock for suburban gardens, humans have degraded many native environments across the state.
• Habitat Loss and Fragmentation | The Humane Society of the United ... - The indirect consequences of habitat loss and fragmentation may be less obvious but often carry grave consequences for animal welfare and for conservation. ...
• Rainforest Information Centre  Rainforests are the womb of life, home to over half the Earth's species. The Rainforest Information centre is a volunteer, nonprofit organisation dedicated to protecting them. 
• Soil Erosion  Part of MAF New Zealand website, this page looks at soil erosion and factors which can influence the rate of erosion. Includes an experiment which can be carried out in class.
• The Coral Reef Alliance  A look at the threats to coral reefs (home to 25% of all marine life) such as sedimentation, fishing with explosives, cyanide, dredging, waste pollution, and global warming.
• We Need Our Forests - This page briefly examines the importance forests have in our lives