It is the fourth out of five publications devoted to functioning of agricultural enterprises and farms under conditions of changes in climate and the anticipated change in agricultural policy which is expected to take place in 2021 and beyond – its performance in the next several years. Chapters: Climate change and its effects. Large agricultural holdings and labour productivity in polish agriculture and in other selected EU countries in 2016. Impact of Natura 2000 areas on the functioning of farms. A comparison of pig holdings in Poland and in the selected EU countries. Gross margin of selected agricultural products in 2017 – regional perspective.