Three and a half billion people are confined in some way around the planet. That's almost half of the world's population. The Covid-19 pandemic has drastically changed our daily lives. With travel halted and industries slowed or stopped, what does that mean for the environment? What effect could it have on efforts to fight climate change? Down to Earth's team takes a look at carbon emissions, pollution, recycling and the impact on agriculture in this special episode in the midst of the coronavirus pandemic.