It is an agreement that aims to ensure the European Union uses its resources in a modern, competitive, and efficient manner to combat the threats of climate change and environmental degradation that threaten the world. The EU is regulating its climate, energy, transport, agriculture, industry, environment and oceans, innovation, and taxation policies to achieve net-zero greenhouse gas emissions by 2050 and reduce greenhouse gas emissions by 55% compared to 1990 levels by 2030.
https://ec.europa.eu/info/strategy/priorities-2019-2024/european-green deal_en#highlights