There is an alien invasion and it is costing us billions. Mary discovers the weird, wonderful and worrying world of invasive species and what we need to do to improve biosecurity.

For more on the invasive species inquiry follow this link: https://www.parliament.uk/business/committees/committees-a-z/commons-select/environmental-audit-committee/inquiries/parliament-2017/invasive-species-17-19/

Everything we do to the planet we do to ourselves. In this episode Mary has been exploring planetary health and why the planet’s health is important for our own health.

Chemicals are in everything, from our sofas and pans to our medicines and makeup. But how do we know that the chemicals used are safe? In this episode Mary learns from campaigners, academics and retailers about the risks of toxic chemicals in our everyday lives and what needs to change to keep us safe.

For more on our toxic chemicals inquiry: https://www.parliament.uk/business/committees/committees-a-z/commons-select/environmental-audit-committee/inquiries/parliament-2017/toxic-chemicals-in-everyday-life-17-19/

Music from filmmusic.io:

"Cold Funk" by Kevin MacLeod (incompetech.com)

Licence: CC BY (creativecommons.org/licenses/by/4.0/)

Our fashion system is broken. Mary speaks to leading experts about the all too often ignored social and environmental price tag that comes with the clothes we love.

For more on the fashion inquiry: https://www.parliament.uk/business/committees/committees-a-z/commons-select/environmental-audit-committee/inquiries/parliament-2017/sustainability-of-the-fashion-industry-17-19/

Music from https://filmmusic.io:

"Cold Funk" by Kevin MacLeod (https://incompetech.com)

Licence: CC BY (http://creativecommons.org/licenses/by/4.0/)

Living with climate change, melting glaciers, freezing plastic, northern lights & the global seed vault - Mary visits the Arctic!

Arctic ice is melting faster than we thought. Mary talks to 3 UK experts about what this means for the Arctic’s 4 million inhabitants – and our weather!

In this episode, Mary takes a look at the issue everyone's talking about: Brexit. What does it mean for the environment? Mary hears from four experts about the Government's proposals for a new green post-Brexit watchdog. Featuring UCL's Professor Maria Lee, Ruth Davis of the RSPB, Ruth Chambers from GreenerUK and Jill Rutter from the Institute for Government.

Ever wondered what MPs get up to during recess? In this episode, Mary heads off up the River Lea to learn about habitats, trout, and the dangers of cycling too fast.