French pair invent plastic-to-fuel recycler fit for African bush
Every year about 260 million tonnes of plastic is produced
Madrid restricts traffic in city centre to clean up air pollution
Madrid authorities hope to catch up with other European capital that are already imposing traffic restrictions to improve air quality
Pig out? Asia gets a taste of climate-friendly 'pork'
Can a vegan 'pork' chop bun win over the world's keenest pork consumers?
Colombia's island fishermen dive into battle to protect coral reefs
As climate change and growing tourism hurt coral, efforts to "garden" new coral - and save incomes - are paying off
As climate risks rise, scientists call for rules on solar engineering
Technologies to reflect some of the sun's rays away from Earth, as a way to cool future runaway climate change, are moving closer to becoming a reality
Electric cars cast growing shadow on profits
"What everyone needs to realise is that clean mobility is like organic food – it's more expensive"
Can new technologies help track resilience?
Measuring resilience isn't cheap or easy - but using mobile phones to reach people on the move can help with both problems
Taking back carbon 'imperative' to stop planet overheating, backers say
"Carbon removal" efforts need to rapidly push ahead as a way to create options if emissions reductions fall short, researchers say
'Sun and Data': Mallorca upgrades to a green tech future
As an alternative to tourism, Spanish island courts tech firms that are developing smart ways to manage natural resources