Hello and welcome to the Green Alliance News Review, hosted by Matt Williams and Amy Mount.

Green Alliance is the charity and think tank that is all about achieving ambitious leadership for the environment.

And with this podcast every two weeks or so, we'll bring you the latest insights on environmental policy and politics, both in the UK and abroad.

Please keep your comments coming. You can find us on Facebook and Twitter at Green Alliance UK.

This episode is arriving on a very exciting day. It's the biggest parliamentary mass lobby on the environment ever, we believe, we hope. We're recording this two days

in advance. More on that later. This week also marks three years after the EU referendum,

so we'll look back at how it has affected environmental protections so far. And as the

consultation starts on the Heathrow Third third runway, we'll consider what the

impacts of that might be. But first, the UK has become the first G7 country to do what, Matt?

To legislate for net zero greenhouse gas emissions. So in the last episode we were talking about

what Theresa May's environmental legacy might be.

We said that one of the opportunities for her to build more of a positive legacy would be to do this before she left office.

And since the last episode, the government has brought forward secondary legislation,

which would change our 2050 target from 80% emissions reductions to 100% emissions reductions by 2050.

So this podcast has got listeners in pretty high places, obviously.

It has, yeah. We've obviously had some influence.

And what does that mean exactly then?

So it means that the balance between the emissions which there would still be

and the emissions which would be absorbed by various different methods

would mean that overall the UK economy was achieving at least an 100% cut in its emissions

compared to 1990 levels by 2050.

And that would vary for Scotland and Wales, but overall across the UK as a whole,

...