Cancun is the first Forest City of the new millennium, an open and international city whose development is focused on technological innovation and environmental quality.

About 4.5 trillion cigarette filters are discarded every year, most containing cellulose acetate, a plastic that can take 10 years to biodegrade.

A pair of scottish engineers have created flat pack, origami plant pots designed to be delivered through letter boxes.

Sustainable fibre technology Spinnova and Fortum worked together to develop prototypes of clothing made of wheat straw-based fabric.

Without business and policy model changes, resource use will more than double from current levels to 190 billion tonnes by 2060 and far exceed our planetary boundaries.

Dutch designer Thom Bindels has developed Ecosystem Kickstarter, a honeycomb-shaped cardboard frame that can help small-scale farmers grow crops in degraded soil.

New York designer Charlotte McCurdy has fashioned a water-resistant jacket from a plastic made of algae, which captures existing CO2 from the atmosphere.

Mexican start-up Adriano Di Marti developed a partially biodegradable leather alternative made from cacti.

The toy industry is much better known for shilling cheap plastics and toxic chemicals than for transparency and high environmental standards.

Chip[s] Board is a biodegradable alternative to MDF that is made from non-food-grade industrial potato waste.