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Carl Nettleton

Carl Nettleton

Carl Nettleton is an acclaimed award-winning writer, speaker and analyst. He heads Nettleton Strategies, a public policy firm specializing in oceans, water, energy, climate, and U.S. Mexico border issues. Carl also founded OpenOceans Global, an NGO solving ocean crises by unifying and empowering global communities. Carl serves on the national and California advisory councils for Environmental Entrepreneurs (E2), a national, nonpartisan group of business owners, investors and others who advocate for policies that are good for the economy and good for the environment. He is co-chair of the San Diego Water Conservation Action Committee (CAC) and a member of the San Diego Regional Chamber of Commerce, Lambda Alpha, South County Economic Development Council, Otay Mesa Chamber of Commerce and U.S.-Mexico Border Philanthropy Partnership.

Stories from Carl Nettleton

Negotiators sit in a large auditorium for the opening session of the negotiations for the global plastic pollution treaty.
Nature

Talks for a Global Plastics Treaty Are Divided Once Again

The latest round of negotiations for a global plastics treaty is underway in Geneva, Switzerland. TriplePundit's lead contributor on ocean plastics pollution was on site and offers a recap of the talks, which began on a hopeful note before devolving as the days went on.
Carl Nettleton
August 13, 2025
(Image: Naja Bertolt Jensen/Unsplash)
Nature

Why the Plastic Treaty Talks Failed and One Potential Solution

The only outcome of what should have been the final discussion on a global plastic treaty was an agreement to meet again next year. Three major issues led countries to fail to come to an agreement, but there are still ways to make progress.
Carl Nettleton
December 9, 2024
(Image: aryfahmed/Adobe Stock)
Nature

The Final Plastic Pollution Treaty Negotiations Are Underway, What Can We Expect?

The United Nations' global plastic pollution treaty has been in the works since 2022. This week marks the final round of negotiations, and experts have mixed feelings about what the result might be.
Carl Nettleton
November 27, 2024
Orianna Bretschger (right)
Technology

Aquacycl Makes Treating Industrial Wastewater Easier and More Effective

The California startup Aquacycl created an on-site way to address hard-to-treat industrial wastewater. The system uses natural, locally-sourced bacteria to consume organic materials in the water while creating electricity.
Carl Nettleton
July 11, 2024
Sungai Watch river warriors install one of the organization's trash barriers. The barrier will float on the water and collect the garbage flowing down the river before it can make its way to the ocean. (Image courtesy of Sungai Watch)
Energy

It Takes a Village: The Evolution of a Homegrown Solution to Ocean Plastic Pollution

Sungai Watch, an environmental organization started by three siblings, is taking a human-based approach to tackling the plastic pollution problem in rivers across Indonesia.
Carl Nettleton
November 17, 2023
Energy

Is a Climate Pandemic the Future Reality?

This pandemic has given us a glimpse of a climate-induced normal if global leaders don’t act to prevent a future climate crisis now.<br /> <br />
Carl Nettleton
June 25, 2020
Corporate Responsibility

Business Innovation Abounds in the San Diego Tijuana Border Region

Stereotypes of the U.S. border abound, from the travails of immigrants to drug cartel excesses. However, another, future-looking story is […]
Carl Nettleton
April 6, 2018
Corporate Responsibility

Climate Progress Continues Despite Changes in the Federal Administration

“We are in one of those moments where people are feeling, if not despair, at least a lot of discouragement […]
Carl Nettleton
May 26, 2017
Corporate Responsibility

The Ailes Legacy: A Divisive Formula of Confrontation

The passing of Roger Ailes on Thursday inspired stories about his career broadcast on all the major network and cable stations. However, […]
Carl Nettleton
May 19, 2017
Corporate Responsibility

Climate Change Policies and Federal Funding Cuts Could Impact Military, Developing Nations

When White House Budget Director Mick Mulvaney announced the proposed budget for the 2018 fiscal year on March 16, he […]
Carl Nettleton
April 3, 2017
Energy

Vetting Inaccurate News Stories Might Be Tougher Than Predicting the Impacts of Climate Change

We read and hear a lot about climate change these days, some of it inaccurate, and many average citizens don’t […]
Carl Nettleton
February 15, 2017
Finance

San Diego and Tijuana Share Uncertainty About Border Crackdown

Stereotypical media images of the U.S./Mexico border typically show barren open areas, dilapidated housing, vigilantes trying to catch people illegally […]
Carl Nettleton
February 13, 2017
Energy

How Tucson Uses Rain and Greywater to Keep Local Gardens Lush

When Brisbane, Australia, suffered a massive drought in 2007, the city passed an ordinance that required new homes to include […]
Carl Nettleton
December 22, 2016
Corporate Responsibility

In Los Angeles, A New Approach to Marine Science

Los Angeles has a longstanding and critical relationship with the ocean — most notably at the ports of Long Beach and […]
Carl Nettleton
December 16, 2016
Finance

Despite Trump’s Carrier Deal, US Manufacturing Jobs Remain at Risk

President-elect Donald Trump’s deal with Carrier to keep the Indiana air-conditioning manufacturer from moving a plant to Mexico has been […]
Carl Nettleton
December 9, 2016
Corporate Responsibility

Excess Carbon Emissions Are a Failure of Design

Eighteen percent of your body and mine is carbon. Eighteen percent. That tree outside your door is made of 50 […]
Carl Nettleton
November 30, 2016
Energy

Emissions from Coal Flatten But Don’t Reflect Planned Increases in Use

The 2016 Global Carbon Project’s annual analysis of carbon emissions showed that contributions from coal declined by 0.28 percent during […]
Carl Nettleton
November 28, 2016
Corporate Responsibility

Volcom’s Sustainability Initiative Turns Fishing Nets into Bikinis

For decades now, the tragedy of lost fishing nets has been known to environmentalists, scientists and fishers. These nets have […]
Carl Nettleton
November 14, 2016
Energy

The Rise of Water and Energy Self-Sufficiency

Since the September 11 attacks on the World Trade Center and the Pentagon, a trend toward self-sufficiency has developed in the […]
Carl Nettleton
November 1, 2016
Energy

California’s Climate Change Leadership Created 500,000 Jobs

“Over the past decade, there has been nearly $48 billion in documented investments in renewable energy, energy efficiency, transportation and […]
Carl Nettleton
October 31, 2016