The Nationals’ policy is to buy water only as a last resort, when no other option is available, and where investment in water infrastructure and on farm practices cannot produce the efficiencies needed. Buy backs lead to waterless properties, the loss of jobs and loss of production from farmers, and a loss of viability of regional communities.
This example text from a political party manifesto is in favour of environmental protection, e.g. fighting climate change or 'green' policies or preservation of natural resources or animal rights