
25 November 2018
National Climate Assessment: 3 takeaways
Climate change is here, it’s expensive, and it’s deadly, according to a dire new report.
A global coral bleaching event has now affected over four-fifths of the planet’s reefs, the most extensive damage ever recorded, as ocean temperatures remain historically high.
In short:
Key quote:
“We may never see the heat stress that causes bleaching dropping below the threshold that triggers a global event.”
— Mark Eakin, corresponding secretary, International Coral Reef Society and retired chief of the Coral Reef Watch program of the U.S. National Oceanic and Atmospheric Administration
Why this matters:
Coral reefs are vital to life in the sea and protection on land. These marine structures support roughly a quarter of all ocean species, feeding millions of people and fueling industries from fishing to tourism. Once bleached, reefs don’t always recover. They can die, break apart, and vanish. This removes critical habitat for marine life and leaves coastlines more exposed to erosion and storm damage. Coral reefs also play a role in carbon and nitrogen cycling and help filter water. Their disappearance isn’t just an environmental concern; it’s a socioeconomic crisis in waiting for coastal communities around the globe.
Related: Past decade sets new record for global temperatures
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U.S. Environmental Protection Agency Administrator Lee Zeldin on Monday defended his decision to halt $20 billion in climate funding, accusing media and courts of ignoring evidence of misconduct among grant recipients.
In short:
Key quote:
“Agencies do not have unlimited authority to further a president’s agenda.”
— Judge Mary McElroy, U.S. District Court for Rhode Island
Why this matters:
The Greenhouse Gas Reduction Fund was created to support renewable energy and climate resilience projects, especially in underserved communities. Halting nearly $20 billion in grants delays critical efforts to transition to clean energy, improve public health, and reduce emissions. At stake are programs that provide low-cost financing for zero-emissions buildings and transportation — initiatives that could help shield communities from rising energy costs and climate impacts. The legal battles also expose how changes in federal leadership can disrupt multibillion-dollar programs, undermining the stability and continuity needed for long-term climate planning. With courts now weighing whether the EPA acted within its authority or overstepped, the outcome will shape how environmental policy is implemented and challenged in future administrations.
For more: Trump EPA’s fraud claims stall in court as green bank funding freeze drags on
Energy Secretary Chris Wright dismissed clean energy tax credits as ineffective and costly during an Earth Day interview, defending fossil fuels and calling global warming potentially beneficial.
In short:
Key quote:
“That term ‘clean energy’ is just a marketing term. There’s no clean energy. All energy sources involve trade-offs.”
— Chris Wright, U.S. Energy Secretary
Why this matters:
The debate over clean energy tax credits goes far beyond politics—it touches on public health, economic equity, and the future of life on Earth. Fossil fuel combustion releases particulate matter and greenhouse gases that contribute to asthma, heart disease, and climate change. Renewable energy sources, while not impact-free, reduce many of these harms. Tax incentives have been key to scaling solar, wind, and other clean technologies, especially for households and communities that couldn’t otherwise afford the upfront costs.
Critics argue that these subsidies distort markets or strain the grid, but experts say the real challenge is updating infrastructure to handle newer technologies, not abandoning them. Wright’s comments also downplay mounting evidence of global warming’s threats — from coastal erosion and crop loss to species extinction and climate migration. More heat-related illness, food insecurity, and natural disasters are also projected in a warming world.
Read more: Trump’s energy secretary pushes fossil fuels while dismissing renewables in public speeches
A wave of cancellations by the National Science Foundation (NSF) has ended hundreds of research grants, many focused on diversity and misinformation, amid a broader push by the Trump administration to reshape federal science funding.
Katrina Miller and Carl Zimmer report for The New York Times.
In short:
Key quote:
“It’s shocking to see the government do this. It cedes American leadership in science and technology to China and to other countries. I think it is going to take at least 10 years for American scientific and biomedical research to recover from this.”
— Jon Freeman, psychologist at Columbia University
Why this matters:
The federal government’s abrupt cancellation of hundreds of scientific research grants strikes at the heart of how and for whom science is done in America. Many of the affected projects were designed to make science more inclusive and responsive to real-world problems, like environmental injustice, misinformation, and disparities in STEM education. Pulling support from these efforts sends a clear signal: Research that examines power, equity, or systemic bias is politically vulnerable. That has serious implications not just for academic freedom, but for communities that rely on data and collaboration to hold polluters accountable, respond to health disparities, or advocate for safer neighborhoods. The defunding of such work weakens the scientific infrastructure needed to protect public health, especially in places burdened by environmental and economic inequality.
Learn more: Scientists grapple with funding cuts and political uncertainty
A Washington, D.C., judge accused climate scientist Michael Mann and his legal team of misconduct during a defamation trial, reigniting a legal fight that has spanned over a decade.
In short:
Key quote:
“The current Trump administration is engaging in an aggressive effort to defund and marginalize climate science. In this atmosphere, attacks on climate science and scientists have increased.”
— Robert Brulle, professor of climate science and society at Brown University
Why this matters:
This case reflects the precarious position of climate scientists in the United States, where legal and political forces often shape public understanding of science. Lawsuits like this one have become a battleground over the legitimacy of climate research, especially when scientists challenge powerful industries or ideologies. When courts penalize researchers for procedural missteps — even ones acknowledged and corrected — it sends a signal that speaking out carries serious professional and financial risks. Judge Alfred Irving’s decision to slash damages and accuse Mann’s team of misconduct could embolden those who seek to discredit scientists through litigation rather than scientific debate. At a time when the Trump administration is scaling back climate programs and rolling back environmental rules, these rulings echo a broader push to marginalize and stifle climate expertise.
A surge in extreme weather events fueled by climate change is amplifying the global housing crisis, pushing prices higher and pushing vulnerable people out of their communities.
In short:
Key quote:
"We need a clearer vision of the society we want to live in. What do we want to protect and invest in? How important is safe and affordable housing?"
— Zac Taylor, climate finance expert at Delft University of Technology
Why this matters:
The rising cost and scarcity of housing in disaster-prone areas is more than a real estate story — it's a public health and environmental justice crisis. Low-income residents, often in the most vulnerable areas, are displaced first and longest, locked out of rebuilding by soaring costs and limited affordable housing. Insurance becomes unaffordable. Neighborhoods rapidly gentrify. And with every storm or fire, the affordability gap grows. These shifts ripple across cities and countries, affecting access to healthcare, employment, education, and clean environments. Inaction means locking millions into a future where safe, stable housing is a luxury — not a right.
Read more: Climate risks may trigger the next housing crisis
As utilities face growing wildfire liability tied to aging power lines and worsening climate conditions, lawmakers across the U.S. West are weighing whether to protect them from massive lawsuits or leave them on the hook.
In short:
Key quote:
“We’re only one wildfire away from bankruptcy. Even if we avoid bankruptcy, we’d have huge rate increases to cover the cost of a lawsuit.”
— Shawn Taylor, executive director of the Wyoming Rural Electric Association
Why this matters:
As the climate warms and wildfires become more intense and frequent, communities across the West are grappling with who bears the financial burden when a blaze destroys homes, livelihoods, and ecosystems. Utilities, often the spark behind catastrophic fires, argue they can’t afford to stay afloat without legal protections. But shifting liability off corporations and onto homeowners and insurers raises serious equity concerns, especially as more people in fire-prone areas are dropped by insurers or priced out of coverage altogether. The legal and financial frameworks being built today will shape how — and whether — residents recover from tomorrow’s disasters.
Read more: Oil industry allies push back against climate lawsuits
"The reality is, we are not exposed to one chemical at a time.”
A new report assesses the administration’s progress and makes new recommendations
“We cannot stand by and allow this to happen. We need to hold this administration accountable.”
“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.
We must prioritize minority-serving institutions, BIPOC-led organizations and researchers to lead environmental justice efforts.
Responses to the new rules have been mixed, and environmental advocates worry that Trump could undermine them.