The Rio Summit 

United Nations Conference on Environment and Development, also known as the Rio Summit, took place 1992. At the summit states acknowledged the danger of climate change by signing the United Nations Framework Convention on Climate Change (UNFCCC).

The summit also adopted Agenda 21, a wide-ranging blueprint for action to achieve sustainable development worldwide.

Read more about the Conference on Environment and Development

Read the Rio Declaration

Read about Agenda 21

Read about Earth Summit

_{Credit: UN Photo/Michos Tzovaras}

_{Greenpeace, an environmental group protested against the Government of the United States, when five protesters climbed up flag-poles and locked themselves to the poles, while others hand-cuffed themselves to a car and a van that blocked the entrance to the United Nations Headquarters complex. Two protesters also rappelled down the United Nations Plaza Hotel, partly unfurling a banner that said: "Bush: Heat up the Economy, Not the Planet - Cut C-O-2 Now!" They were protesting the reluctance of the United States to accept goals to reduce green-house gases. The Earth Summit in Brazil is expected to approve an "Earth Charter", which will contain a plan of action to fix targets, costs, and responsibilities, against which progress in environment and development will be measured.}