claim: Jim Hansen had several possible scenarios; his mid-level scenario B was right.
evidences.evidence_id: James Hansen:122
evidences.article: James Hansen
evidences.evidence: They described the intermediate scenario as the most likely, and that real-world greenhouse gas forcing had been closest to this scenario.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: James Hansen:140
evidences.article: James Hansen
evidences.evidence: In 2000 Hansen authored a paper called "Global warming in the twenty-first century: an alternative scenario" in which he presented a more optimistic way of dealing with global warming, focusing on non-CO2 gases and black carbon in the short run, giving more time to make reductions in fossil fuel emissions.
evidences.votes: NOT_ENOUGH_INFO SUPPORTS
evidences.evidence_id: James Hansen:93
evidences.article: James Hansen
evidences.evidence: They described a business-as-usual scenario, which has greenhouse gases growing at approximately 2% per year; and an alternate scenario, in which greenhouse gases concentrations decline.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: James Hansen:99
evidences.article: James Hansen
evidences.evidence: An alternate scenario would keep the warming to below this if climate sensitivity were below 3 °C for doubled CO 2.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Scenario planning:180
evidences.article: Scenario planning
evidences.evidence: How do we know if we have the right scenarios?
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO