Congresses as Topic; Environmental Policy/trends; Global Warming/prevention & control; International Cooperation/legislation & jurisprudence; Brazil; Carbon Dioxide/analysis; Carbon Dioxide/isolation & purification; Conservation of Natural Resources/economics; Conservation of Natural Resources/legislation & jurisprudence; Conservation of Natural Resources/trends; Developing Countries/economics; Diplomacy; Environmental Policy/economics; Environmental Policy/legislation & jurisprudence; Forestry/economics; Forestry/legislation & jurisprudence; Forestry/trends; Global Warming/economics; Global Warming/legislation & jurisprudence; Goals; Methane/analysis; Negotiating; Optimism; Paris; Temperature; Time Factors; United Nations/legislation & jurisprudence