Coronavirus has exposed for all what many of us already knew - some of our most important workers have barely enough to live on, and millions are condemned to financial insecurity, inequality and food poverty.

I think the Greens are posing some of the most important questions of our time, for example how we live sustainably on a planet of finite resources and a rising population, and how do we do that in a way that doesn't exceed environmental limits and which is fair.

Addressing the climate and biodiversity crises requires us to radically change our economic models, moving away from economic growth as the over-riding measure of progress and moving instead towards improving health and wellbeing for people and nature. That means a different economic model taking us towards a sustainable economy.

I do think that if people are taking the time to think about their environmental footprint when it comes to how many flights they take, whether or not they have a 4X4, whether or not they are going to have a patio heater, then putting the question to themselves about how many kids they are going to have is a reasonable thing to do.

Addressing the climate and biodiversity crises requires us to radically change our economic models, moving away from economic growth as the over-riding measure of progress and moving instead towards improving health and wellbeing for people and nature. That means a different economic model taking us towards a sustainable economy.

I think we'd be crazy to do anything to the integrity of our policy package, which is progressive, and really dealing with the key social and environmental issues that we face. We're not about to ditch our commitment to nuclear disarmament, for example, to somehow make ourselves more electable.