Massachusetts apartment retrofit offers model for multifamily energy savings

The owners spent two years tightening building envelopes, replacing heating and cooling systems, and installing rooftop solar panels. Now, they hope to replicate the success elsewhere. Read More

Insurance giant Allianz sets oil and gas exit strategy

The policy also sunsets insurance on Arctic and Antarctic exploration, coalbed methane, extra-heavy oil and tar sand projects. Read More

Ørsted will try growing coral reefs at the base of offshore wind turbines

Danish energy firm is aiming to achieve a net positive impact on biodiversity across all of its new projects from 2030. Read More

Reconsidering nuclear energy

Is California’s governor’s move to extend the life of a nuclear power plant a bellwether for public sentiment? Read More

The US biofuel mandate operates on outdated assumptions

Some scientists found that biofuel use has increased rather than decreased emissions — we should focus on other climate improvements like efficiency. Read More

Green hydrogen is the final piece to solving the decarbonization puzzle

Sponsored: Green hydrogen should be used in tandem with an integrated renewable energy architecture that also consists of solar, wind and batteries. Read More

Sustainable from the start: Clean power demands greater circularity

Sponsored: ESG profiles of renewable energy projects vary widely. It’s critical to strive for an inclusive sustainable energy future, not just net zero. Read More

Apple, Walmart, PepsiCo offer suppliers leg up on renewable electricity

They are among a growing number of multinationals stepping up programs to help their value chains procure renewable electricity. Read More

After a shaky start, airborne wind energy is slowly taking off

New companies are developing technologies, such as large kites, that can harvest wind energy up to a half-mile above ground. Read More

9 strategies to help utilities cut energy use and emissions

From an equity lens to business model innovation to new data, statehouses, utilities and public utility commissions can collaborate to decarbonize. Read More