there it goes — all that security for one us motorcade. and people here can expect way more than that over the next few days. we can now speak to lord stern — ig patel professor of economics and government and chair of the grantham research institute on climate change and the environment at the london school of economics. thank you for being with us. let's start with that promise of britain giving 100 million vaccine doses to the rest of the world, do you welcome that?— the rest of the world, do you welcome that? ~ , ,., , ., ., welcome that? absolutely and we have to see that in — welcome that? absolutely and we have to see that in the _ welcome that? absolutely and we have to see that in the context _ welcome that? absolutely and we have to see that in the context of _ welcome that? absolutely and we have to see that in the context of the - to see that in the context of the understanding that unless the whole world has tackled the covid, it will