This week we celebrated Earth Day

This week on Dezeen, we marked Earth Day by looking at ways architects and designers are addressing climate change.
We rounded up 10 ways in which architects can contribute to creating a healthier planet from reducing waste, retrofitting (including Sarah Wigglesworth's house in London, above) and rewilding to collaboration and lobbying for change.
Alongside this roundup, we also looked at seven materials that designers are using to create more sustainable products.
Heatherwick Studio reveals Air