Chickens will be farmed at 20,000 birds a hectare - 13 times more crowded than the current Australian code - and still qualify as ''free range'' under changes to egg industry standards to be introduced this month.

Eliminating fossil fuel subsidies – and using some of the savings to help the poorest cope with rising energy prices – could curb climate change and energy waste, cut government costs and reduce social inequality, a report on sustainable development suggests.

A new study has found that some plant systems may thrive initially in a warmer climate but then deteriorate over the long term.

The ashram is a clean and tranquil place where natural resources are utilised in a sustainable manner and both administrators and beneficiaries try to incorporate the concept of sustainability into their lifestyles.

Climate scientist Michael Mann, who has faced years of attacks from climate-change skeptics, explains why he believes bad-faith assaults on science have no place in a functioning democracy and why the truth about global warming will inevitably gain wide acceptance.

As corporate sustainability becomes an ever more integrated part of daily operations, the positions that make it possible are also expanding. Here are some of the forces shaping the job market for current and aspiring sustainability pros.

A new trade group aims to reduce environmental damage from rare earth materials, but it likely won't increase the supply of the minerals -- which cleantech and IT firms depend on -- or check soaring prices.

Large-scale industrial agriculture depends on engineering the land to ensure the absence of natural diversity. But as the recent emergence of herbicide-tolerant weeds on U.S. farms has shown, nature ultimately finds a way to subvert uniformity and assert itself.

Attempts to slow down climate change by large-scale geo-engineering present ''serious risks'' and are unlikely to replace the need to cut greenhouse gas emissions, Australia's chief scientist has warned.

Dongria Kondh people pledge to carry on fight to prevent Vedanta Resources from mining bauxite in Niyamgiri hills