Environmental sustainability Environmental sustainability concerns both the environment and the climate. The areas relevant to environmental sustainability are established within the OECD Guidelines and principles 7-9 of the UN Global Compact. All businesses can have adverse impacts on the environment through their business operations and activities. Thus, they should conduct environmental due diligence in order to prevent or mitigate adverse environmental impacts and assist an environmentally sustainable future. Below is the overview of 20 areas that every business as a minimum to should consider as part of their environmental due diligence.