Date Time Effects of climate change on nature visualized To illustrate the effects of climate change on nature at a glance, scientists at the Technical University of Munich (TUM) are now presenting Green Warming Stripes for the first time. Annette Menzel, Professor of Ecoclimatology at the TUM, explains in an interview how we can interpret them and what they mean. We understand that Green Climate or Warming Stripes can illustrate nature’s responses to global warming, but how can we decode the colored stripes? Blue colors represent years with cold weather and their consequent later flower or leaf development. Green Stripes represent warm years with earlier plant development. We have created the Green Warming Stripes for Bavaria and some historical observation series in other areas of Central Europe.