Climate change will shift key coordinates of foreign policy in the coming years and decades. Even now, climate policy is more than just environment policy; it has long since arrived at the centre of foreign policy. The German Foreign Office recently released a report on climate diplomacy recognizing the biggest challenges to security posed by climate change and highlighting fields of action for strengthening international climate diplomacy.

Ten years after committing to phase out fossil fuel subsidies, G20 countries still subsidise coal, oil and gas to the tune of around USD 150 billion annually. Peer review of fossil fuel subsidies help push the G20 forward on this issue, but these reviews need to be followed by action. Subsidy reforms could free up resources that could be channeled back into government programmes and on accelerating a clean energy transition.

To fight illegal coca plantations and conflict actors’ income sources, Colombia’s president wants to loosen the ban on aerial glyphosate spraying. However, considering the dynamics of organised crime, the use of toxic herbicides will not only fail to achieve its aim, it will have many adverse effects for the environment and human health, fundamentally undermining ways to reach peace in the country. International cooperation and national policy-makers need to account for this peace spoiler.

Governments must invest new effort and money to prevent climate change from driving new conflicts, according to a diplomatic statement drafted by the German foreign office.