Built by Nature’s Joe Giddings, a co-founder of ACAN, talks about building responsibly with timber and sustainable forestry initiatives On the eve of Cop 30 in northern Brazil. …Giddings takes a deep dive into BbN’s five principles for responsible timber construction, which provide a holistic framework for building with timber without unintended consequences. He also describes BbN’s workstreams to quantify and promote lean use of timber. Current research includes the development of two new metrics for assessing the impact of building with timber: the use renewal ratio (the time that timber remains locked up in a building compared with how long it takes the tree that supplied it to grow) and wood use intensity (the volume of timber used per square metre of building). Giddings challenges numerous tropes. Local is not always best, he says. …To catch up on all episodes of AJ Climate Champions, click here.