The Federal Government's proposed changes to skilled migration rules threaten to inflict further damage on Australia's international education sector, according to the Greens.

Senator Sarah Hanson-Young, Greens spokesperson on Education, says there is nothing wrong with a Government review or tightening of the Occupations in Demand List, but that the timing and management of the move is questionable.

"Cancelling 20,000 visa applications without warning is not good policy or smart policy, it looks more like an act of desperation by the Government,'' Senator Hanson-Young said.

The Australian Greens have challenged the Government to commit to implementing the vision outlined in the Sustainable development in northern Australia report released today.

The Australian Greens congratulate the Northern Australia Land and Water Taskforce on their Sustainable Development in Northern Australia report, saying it provides a vision for sustainable development of northern Australia based on mutual respect, respect for indigenous peoples of the north and the environment.

"This report clearly demonstrates that there are significant constraints to development of Northern Australia," said Greens Water Spokesperson, Senator Rachel Siewert.

The Rudd government's bungling of the renewable energy target legislation is jeopardising hundreds of jobs around Australia, including those about to be lost at the stalled Musselroe Bay wind farm.

The Greens have proposed a Private Member's Bill to fix the legislation, based on amendments rejected by both Labor and Liberals when the bill was being debated. The government could save the Musselroe jobs by working with the Greens to fix the target scheme.

"Mr Rudd and Minister Wong could save these people's jobs at Musselroe Bay if they fixed the bungled renewable energy target," Australian Greens Deputy Leader, Senator Christine Milne said.

The Australian Greens have called on the Federal Government to urgently reform its Caring for Our Country program because it is having a negative impact on the community's ability to carry out land repair activities.

Senator Rachel Siewert speaking on the tabling of a report of committee inquiry into Natural Resource Management programs, initiated by the Greens, said the inquiry showed that the Government's program needs changing urgently.

"The committee inquiry highlighted many problems with Caring for Our Country which need to be fixed if we're to maintain and improve the level of activity and energy in the community for landcare and land management," Senator Siewert said.