•    Take climate change seriously and make a fair global agreement to keep within 2 degrees of warming the main foreign policy priority.
•    Phase out fossil-fuel based energy generation and nuclear power.
•    Ban all UK fracking operations.
•    Invest in a public programme of renewable generation, flood defences and building insulation.
•    Aim to recycle 70% of domestic waste by 2020 as a move towards a zero-waste system.
•    Improve protection for animals.
•    Foster and support organic agriculture, sustainable land management and the organic food market.

Other relevant policies;

Climate Change
Countryside
Animal Rights
Energy
Food and Agriculture
Forestry
Land
Local Planning & the Built Environment
Marine and Coastal
Natural Resources & Waste Management
Pollution
Population
Transport