How do non-governmental organizations (NGOs) in Europe and China impact ecological and social change? What challenges are they facing? What is the potential for cooperation in the field? Unlike the close exchange and numerous collaborations between European and Chinese universities and companies, the exchange between NGOs is still in the early stages. But global challenges require cross-border engagement, also, and especially, among civil society actors. The EU-China Twinning Program aims to foster trusting and sustainable relationships between European and Chinese NGOs.