Article snippet: WASHINGTON — Ten Democratic presidential contenders vied for advantage Tuesday night in the second round of the party’s 2020 campaign debates. A look at some of their statements in Detroit and how they compare with the facts: John Hickenlooper, former Colorado governor: When it comes to fighting climate change, ‘‘What we do here is a best practice and a template that’s got to be done all over the world. ... We need every country working together if we’re going to deal with climate change in a real way.’’ THE FACTS: The nations most concerned with climate change certainly do not consider the US a ‘‘template’’ for a solution. Americans per capita are among the world’s biggest emitters of climate-changing carbon. The US is also the top oil and natural gas producer, pumping out more fossil fuels on the front end. On Hickenlooper’s point about needing all countries working together, the US under President Donald Trump is withdrawing from the Paris climate accord , a voluntary commitment by countries to combat climate-changing emissions. Beto O'Rourke, former representative from Texas, on global warming: ‘‘I listen to scientists on this and they’re very clear: We don’t have more than 10 years to get this right. And we won’t meet that challenge with half-steps, half-measures or only half the country.’’ Pete Buttigieg, mayor of South Bend, Indiana: ‘‘Science tells us we have 12 years before we reach the horizon of our catastrophe when it comes to our climate.’’ THE FACT... Link to the full article to read more