After a landmark climate meeting in Santa Marta, Colombia , where nearly 60 countries gathered to work out how to end the production and use of planet-heating fossil fuels, what have we learned? 1. Liberation lifts the spirits The single most important thing to come from the first Transitioning Away from Fossil Fuels conference, in Santa Marta, has been a change of mood. Whereas the UN’s annual climate summits , or Cops, can often feel stuck and frustrating, with countries circling the same topics without resolution, nearly every delegate in Colombia felt liberated. “The mood here in Santa Marta is euphoric,” said Tzeporah Berman, the founder and chair of the fossil fuel non-proliferation treaty initiative . “After years stuck in endless debates about whether to phase out fossil fuels, finally we are focusing on the how. We are no longer fighting for recognition of the problem, but creating solutions.…