Vale a pena ganhar meia hora a preencher este questionário.
É excelente.

The consultation on the EU's strategy for long-term greenhouse gas
emissions reductions has been recently opened:

https://ec.europa.eu/clima/consultations/strategy-long-term-eu-greenhouse-gas-emissions-reductions_en
There is no background paper.

The survey:
https://ec.europa.eu/eusurvey/runner/long_term_ghg_reduction