Question

which factor most directly contributes to environmental issues such as acid rain, air pollution, and nuclear disaster in Europe?

Answer 1

Acid rain in europe
Since they can be carried many hundreds of kilometres by winds, acid pollutants emitted in one country may be deposited as acid rain in other countries. As industrialisation expanded across Europe during the 1970 and 1980s, with the use of tall chimneys in industry and power generation increasing, acid deposition became a particularly prevalent problem.

Answer 2

it is due to gases, global warming, chimney gases, greenhouse gases etc. . hope it helps you.