Newsletters

Wake up daily to our latest coverage of business done better, directly in your inbox.

Get your weekly dose of analysis on rising corporate activism.

The best of solutions journalism in the sustainability space, published monthly.

Select Newsletter

By signing up you agree to our privacy policy. You can opt out anytime.

Riya Anne Polcastro

Riya Anne Polcastro is an author, photographer and adventurer based out of Baja California Sur, México. She enjoys writing just about anything, from gritty fiction to business and environmental issues. She is especially interested in how sustainability can be harnessed to encourage economic and environmental equity between the Global South and North. One day she hopes to travel the world with nothing but a backpack and her trusty laptop.

A utility pole — marginal emissions

Shifting When and Where Electricity is Used Can Avoid Gigatons of Carbon Emissions

By Riya Anne Polcastro

"The World Bank Group" sign on the organization's headquarters in Washington D.C.

There's a Simple Solution for the Big Discrepancies in the World Bank’s Climate Finance Claims

By Riya Anne Polcastro

An aerial view of the Pajaro River near Pajaro and Watsonville, California — disaster recovery

Advocates in Pajaro Focus on Community Building for Disaster Recovery

By Riya Anne Polcastro

A stack of batteries — sodium-ion batteries

New Tech Prepares Energy Storage Companies For Sodium-Ion Batteries

By Riya Anne Polcastro

The G2RT off-grid toilet.

Why Researchers are Reinventing the Toilet

By Riya Anne Polcastro

A local guide points out Panama’s biodiversity while walking through the rainforest with travelers — Meaningful Travel Map

Tourism Cares is Putting Sustainable Travel Experiences on the Map

By Riya Anne Polcastro

Smart Girls Uganda participants working with piping.

Smart Girls Uganda Helps Young Women Overcome Barriers to Education

By Riya Anne Polcastro

A rod and reel setup on a swordfish fishing boat.

Can Rod and Reel Gear Save Nova Scotia’s Swordfish Harpoon Fleet?

By Riya Anne Polcastro

The Kore Infrastructure team.

How Kore Infrastructure Plans to Reduce Wildfire Risk by Turning Waste Into Energy

By Riya Anne Polcastro

A child opens a box of food from the summer meal program.

No Kid Hungry Serves Up Summer Meals With Help from CEOs

By Riya Anne Polcastro

Gavin Newsom, governor of California — climate disclosure bills

Support for California’s Climate Disclosure Rules Remains Strong Despite Push for Delay

By Riya Anne Polcastro

A laptop lit by multicolor light — artificial intelligence

Harnessing AI for Corporate Sustainability Requires Precautions

By Riya Anne Polcastro

An employee sews socks at a FutureStitch manufacturing facility.

More Than Socks: How a Knit Manufacturer is Changing Lives with Second Chances

By Riya Anne Polcastro

One of the digital twins of Perry, Iowa.

Can Digital Twins and Tree Mapping Help Cities Adapt to Climate Change?

By Riya Anne Polcastro

Subaru x National Park Foundation — volunteers cleaning a national park

From Auto Assembly Plants to National Parks, Zero-Landfill Practices Help to Create a More Sustainable Future

SPONSORED

By Riya Anne Polcastro

School supplies in a Staples shopping basket.

Staples Wants Your Back-To-School Shopping Trip to Include Recycling

By Riya Anne Polcastro

The CHIRLA team at a climate strike — disaster recovery

Advocacy Isn't Optional for Immigrant Communities on the Front Lines of Climate Change

By Riya Anne Polcastro

Solar panels on a building in a city — green skills

On-The-Job Training and Internships Help Close the Green Skills Gap at DSD Renewables

By Riya Anne Polcastro

Travelers walk through an airport — sustainable travel

Consumers Want to Travel Sustainably, Are They Acting on It?

By Riya Anne Polcastro

graphic of hands holding a light bulb and coins — linking executive pay to climate goals

Could a New Approach to Linking Executive Pay and Climate Goals be a Game Changer?

By Riya Anne Polcastro

A dog running with a toy in it's mouth — PetSmart

PetSmart Wants to Turn Your Dog’s Old Toys Into New Ones

By Riya Anne Polcastro

Woori Juntos members at a meeting — language gaps

Improving Disaster Outcomes by Bridging Language Gaps in Houston

By Riya Anne Polcastro

A person holding a box of onions — food waste

A Free Tool is Bringing Farmers and Buyers Together to Eliminate Food Waste

By Riya Anne Polcastro

An employee working on a computer — Auticon

Neurodivergent Workers and Businesses Thrive Together with the Right Support

By Riya Anne Polcastro

An oil pump at sunset — just transition

A Just Transition Starts with Ensuring Immigrant Oil Workers Know Their Rights

By Riya Anne Polcastro

Volunteers paint a mural on a street using cool pavement coating.

An Answer Under Our Feet: 'Cool Pavements' Fight Urban Heat Islands

By Riya Anne Polcastro

Two backpackers walking into a hostel.

Sustainable Travel Guide: Reduce Carbon Emissions on Your Next Trip

By Riya Anne Polcastro

A Somos un Pueblo Unido member at an oil field - oil and gas workers organizing for rights

For a Just Energy Transition, Oil and Gas Workers Must be Heard

By Riya Anne Polcastro

Canary concentrated products in toiletry bag in bathroom

Concentrated Products Reduce Packaging and Emissions: Can They Win Over Consumers?

By Riya Anne Polcastro

A person purchasing something with their credit card.

Is a 'No-Buy Month' as Challenging as It Sounds?

By Riya Anne Polcastro

A person sewing a button onto a piece of clothing.

Living a Sustainable Life Doesn’t Have to be Expensive

By Riya Anne Polcastro

A battery.

The Electronics of the Future Will Stay Charged All Day Using Indoor Light

By Riya Anne Polcastro

Camfed agricultural guides farming lettuce.

A Women-Led Initiative is Growing Food Security and Climate Resilience Across Africa

By Riya Anne Polcastro

airplane on the tarmac - AI-driven cliamte solutions to reduce taxi time and emissions

5 High-Tech Climate Solutions Worth Watching in 2024

By Riya Anne Polcastro

A street lamp in a flooded street.

Unleashing the Power of AI: University of Illinois and IBM Join Forces to Anticipate Flash Floods

By Riya Anne Polcastro

An aerial view of the Mau Forest in Kenya.

Kenya Reforestation Efforts Show AI Can Advance Climate Solutions

By Riya Anne Polcastro

An activist holding a sign that reads "Refugees are climate leaders."

Immigrants Are a Vital Voice in the Climate Movement: Will Environmentalists Listen?

By Riya Anne Polcastro

meals on wheels volunteer hands meal to a senior

Stronger Together: Corporate Partnership Puts the ‘Wheels’ in Meals on Wheels

SPONSORED

By Riya Anne Polcastro

Nicole Rycroft canopy with elephant

Waste Could Replace Trees for Key Products, But Will the Transition Happen Fast Enough?

By Riya Anne Polcastro

The entrance to the REI distribution center in Lebanon, Tennessee.

REI Brings the Outdoors Into New Building Design

By Riya Anne Polcastro

PlanetCare's microfiber filter attached to the side of a laundry machine.

The Push to Upgrade the World's Washing Machines and Keep Microplastics Out of the Ocean

By Riya Anne Polcastro

close-up of dog on a leash at a pet adoption event

This Subaru Retailer Lives its Purpose Hosting Fiestas for Shelter Animals

SPONSORED

By Riya Anne Polcastro

graphic depicting the wide variety of people in the workplace - diversity and inclusion

Diversity Without Inclusion Is a Missed Opportunity: How Employees Can Speak Up

By Riya Anne Polcastro

Leaders with the LEAD program — which develops community alternatives to police and alternatives to policing — walk the streets of Seattle

In a World With Less Policing, What Does It Look Like for Community to Heal Community?

By Riya Anne Polcastro

Atlantic Sapphire salmon filets ready to cook

Will the Sustainable Fish Farm of the Future Be On Land?

By Riya Anne Polcastro

A person surfs in a Patagonia wetsuit at Half Moon Bay in California.

Patagonia's Search for a Better Wetsuit is What Sustainability Should Be

By Riya Anne Polcastro

zero fresh water manufacturing in india

Looking Toward the Long-Term With Zero Fresh Water Textile Manufacturing

By Riya Anne Polcastro

Two women participating in iDE's WASH sanitation program in Cambodia.

Empowering Women Entrepreneurs Could Boost Climate Action

By Riya Anne Polcastro

People planting herbs on a farm.

A Million Acres and Growing: Certifying a Holistic Approach to Regenerative Agriculture

By Riya Anne Polcastro

Crops in a field at sunset.

Loan Program Rewards Regenerative Agriculture, Sets Example for Other Lenders

By Riya Anne Polcastro