we've heard the warnings for some time. they have been getting louder and louder. the question is has our time to act run out? 2020 was the joint hottest year on record. hurricanes and flash floods have battered the planet. the earth is in crisis. and maybe, just maybe, this time, something will be done. next week, we'll be at the cop26 un climate change conference in glasgow, where pressure is building on those in power to make big changes. and this is the first of three click specials all about sustainability — what we can change and how much technology can help. we all know plastic is a problem for our planet. left unchecked, the ocean could contain more plastic