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Is spirulina the new kale? A Thai startup is bringing back the tiny green algae

EnerGaia is using the rooftop of a Bangkok Novotel to harvest spirulina, an algae some are calling the spinach of the future

Is spirulina the new kale? A Thai startup is bringing back the tiny green algae
New Crop – the vegan venture fund fighting for animal rights

A collective of animal welfare activists are gaining ground with an investment fund that supports businesses developing alternatives to meat, cheese and other animal products

New Crop – the vegan venture fund fighting for animal rights
Impossible foods: how startups are changing what we eat – in pictures

Meat from a plant? Gelatin from a microbe? A look at the startups that are trying to hack your dinner plate

Impossible foods: how startups are changing what we eat – in pictures

Ugly fruit and veggies are making a comeback on US grocery shelves

Fresh fruits and vegetables are held to impossibly high aesthetic standards. Now, a number of US startups on both coasts are showing consumers that ugly is better

Ugly fruit and veggies are making a comeback on US grocery shelves
Food companies move away from potentially toxic chemicals in cans

Companies pledge to phase out packaging as a new study finds two out of three food cans test positive for the chemical BPA

Food companies move away from potentially toxic chemicals in cans
Can supermarkets do more than sell wonky veg to tackle food waste? - live chat

Join a panel of experts on this page on Wednesday, 30 March, 1-2pm BST to discuss how businesses can prevent food waste and create value from it

Can supermarkets do more than sell wonky veg to tackle food waste? - live chat
In Taiwan, leftover food scraps help farmers sustain porky appetites

Taiwan has institutionalized the practice of feeding leftover food to livestock, an approach that many nations are using or considering to reduce their food waste. Now, two thirds of the country’s overall food waste helps feed its 5.5m pigs

In Taiwan, leftover food scraps help farmers sustain porky appetites

Is powdered food an eco-dream or just weird?

Huel and Ambronite are touting powdered meals as a low-cost, sustainable way to feed people and help protect the planet

Is powdered food an eco-dream or just weird?
Under the sea: the underwater farms growing basil, strawberries and lettuce

Scuba divers and agricultural experts develop a project to work out if growing plants in pods on the seabed could be a viable solution to future food security

Under the sea: the underwater farms growing basil, strawberries and lettuce

Why a tax on fizzy drinks would help tackle the UK's £10bn diabetes epidemic

Anna Taylor

Why a tax on fizzy drinks would help tackle the UK's £10bn diabetes epidemic

New survey shows there's a real appetite for sustainable food

Research from the WWF shows 91% of parents and 92% of children think it’s important that the food we eat and the way it is grown shouldn’t damage the environment

New survey shows there's a real appetite for sustainable food
Guardian Sustainable Business Awards 2016: FAQs

Everything you need to know about how to enter the awards including key dates for your diary

Guardian Sustainable Business Awards 2016: FAQs

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Guardian sustainable business The greenhouse that acts like a beetle and other inventions inspired by nature

For a new generation of innovators, biomimicry – the imitation of nature’s ecosystems – may help solve some of humanity’s toughest resource problems

The greenhouse that acts like a beetle and other inventions inspired by nature
Guardian sustainable business Unilever palm oil supplier must suspend all plantation expansion to save reputation

Kiki Taufik

As buyers such as Unilever and Mars stop doing business with suspended Malaysian company IOI, will it lead to strong action or more weak promises?

Unilever palm oil supplier must suspend all plantation expansion to save reputation
Guardian sustainable business Can you power a business on 100% renewable energy? Ikea wants to try

An increasing number of big businesses including Google and Mars are opting to get their power from renewables – helping the planet and their profit margins

Can you power a business on 100% renewable energy? Ikea wants to try
Guardian sustainable business Can tech give the fashion industry a sustainability makeover? - live chat

Join experts on this page on Tuesday 12 April 4-5pm BST to discuss the tech innovations with the potential to revolutionise fashion

Can tech give the fashion industry a sustainability makeover? - live chat