Correct Answer: (b) B, D, A, C
Solution:Chronological order of Environment Summits
Brudtland Commission (1887)
Agenda 21 – 1992
Kyoto Protocol – 1997
Paris Agreement – 2015
In 1987 Report "our common future" also known as Brudtland report propounded concept of "sustainable development". Earth summit\Rio summit\United nations conference on environment and development. 1992 declared Agenda 21 for sustainable development. This summit was held in Rio-de-Janerio. Aim of Kyoto protocol (1997) was to reduce Greenhouse emission below 5% of the level of 1990. Paris agreement prepared plan of working to reduce global warming below 2°C of the level of pre industrialisation period.