Plans for new legislation have been launched to encourage safer walking and cycling across Wales.
"The Active Travel Bill" is aimed at improving conditions for those who leave their cars at home.
It comes as the authorities continue their efforts to tackle obesity and get us to do more exercise, as Richard Morgan reports.
More top news
The peer will attack Prime Minister Theresa May for failing to represent the 48% who voted in favour of Remain.
Paul Flynn, MP for Newport West, will open the debate in Westminster Hall.
It will represent another boost to the region, after the announcement Deca Sealand was chosen for a repair hub for defence aircraft.