Water scarcity is a reality in many parts of the world, and there is a rapidly growing gap between the demand for water and its supply. Fifty percent of all the water used on earth is utilized for animal agriculture, and timely correction of this vastly archaic system should be at the heart of any global water management strategy, writes Dr Richard Oppenlander.

Hog farms in North Carolina are wreaking havoc on the state – affecting the local environment, wildlife and human health. The voluminous pollution generated by hog farms is a growing problem in the US and is intensified by the modern system of factory farming, writes John McCabe.

Indonesia’s vanishing natural forests and wildlife species are testament to deforestation out of control. Government inaction, corruption, illegal logging and the complicity of high profile companies have made for a toxic mix that not even a moratorium on logging can effectively address, writes Susannah Waters.

For advice about life after graduation, students at Worcester Polytechnic wanted to hear from peak oil scholar Richard Heinberg instead of Exxon’s CEO. Here’s what he told them.

Due to a lucrative market for their meat, and the involvement of organised crime networks, the majestic Bluefin tuna, one of the giants of fish world, is said to be facing near extinction within the year – but not if Sea Shepherd has its way, writes Lilia Letsch.

The carbon tax debate is an opportunity for Prime Minister Gillard to take real leadership on climate change issues and legislate to reduce emissions and to greatly expand renewable energy production, writes Leila Barreto.