Why 2021 could be turning point for tackling climate change

Countries only have only a limited time in which to act if the world is to stave off the worst effects of climate change. Here are five reasons why 2021 could be a crucial year in the fight against global warming.

Covid-19 was the big issue of 2020, there is no question about that.

But I'm hoping that, by the end of 2021, the vaccines will have kicked in and we'll be talking more about climate than the coronavirus.

2021 will certainly be a crunch year for tackling climate change.

Antonio Guterres, the UN Secretary General, told me he thinks it is a "make or break" moment for the issue.

So, in the spirit of New Year's optimism, here's why I believe 2021 could confound the doomsters and see a breakthrough in global ambition on climate.