Unilever teams with big banks on blockchain for supply chain

The year-long proof of concept also involves U.K. supermarket giant Sainsbury's and packaging company Sappi. It will start with tea farmers in Africa. Read More

Diagnosing chemical footprints in pediatric health care

Hospitals and other providers are taking the pulse of medical supplies, concerned with the vulnerability of their youngest patients. Read More

Can McDonald's help solve climate change?

A new project could revolutionize cattle ranching and beef production, and possibly take a big bite out of greenhouse gas emissions. Read More

How Starbucks' hometown is tackling plastic pollution

Going "Strawless in Seattle" and other cities worldwide. Read More

Startup fights food waste with travel companions for fruits and veggies

Hazel Technologies borrows from nature's chemistry to tackle supply chain spoilage. Read More

Safer peroxide recipe takes CRISPR gene science, adds sugar

Startup Solugen wants to clean up the manufacturing process for the bathroom staple, which also offers a host of industrial uses. Read More

Seafood traceability swims into Silicon Valley

As big names like Aramark and Thai Union progress on supply chains, smaller-fry 'seatech' startups bring the promise of satellite and blockchain tech. Read More

How Mars and Walmart illustrate the future of sustainability

Conservation International's chairman champions "enlightened self-interest," not the "virtuous case." Read More

Ron Jarvis on Home Depot's blueprint for eco-leadership

The VP of sustainability shares designs for constructing a foundation of environmental innovation. Read More

What Samsung can learn from Apple about sustainability

Greenpeace: There's a huge gap between these two smartphone leaders. Read More