Skip to content
Suggest a term
FalseEnergyLast updated: July 10, 2026

Offshore wind turbines kill whales

There is no evidence that offshore wind turbines or survey work are causing recent whale deaths along the U.S. East Coast. Federal agencies and marine scientists instead point to known threats such as vessel strikes and fishing gear entanglement.

Written by Iggy Pomp · Reviewed by Igor Pomper · Last updated July 10, 2026

What we know

Donald Trump and other critics of offshore wind have repeatedly claimed that turbines or related survey work are killing whales. Available evidence does not support that claim. NOAA, BOEM, and multiple reporting summaries have all said there is no evidence linking current offshore wind survey activity to whale mortality.

The whale strandings often cited in these claims are real, but the proposed explanation is not supported. NOAA has investigated unusual mortality events involving humpback whales and found that many examined deaths were linked to vessel strikes or entanglement in fishing gear. Those are established, well-documented threats to large whales and remain the main human-caused risks identified by marine scientists.

Federal agencies have also emphasized that early-stage offshore wind survey work is subject to mitigation rules, including exclusion zones, protected-species observers, reporting requirements, and shutdown protocols. NOAA states that developers have not been authorized to kill whales and that there are no known links between large whale deaths and ongoing offshore wind activities.

That does not mean offshore wind development has zero environmental impact or that continued monitoring is unnecessary. Large marine infrastructure projects can create noise, vessel traffic, and habitat disruption that deserve ongoing study. But the stronger claim, that offshore wind is causing the recent whale deaths cited in political rhetoric, is not supported by current evidence.

The timeline of the whale strandings itself undercuts the offshore-wind explanation. NOAA's Unusual Mortality Event investigation into humpback whale deaths along the Atlantic coast began in 2016, years before most offshore wind survey and construction activity started in the same waters, which means the elevated mortality trend predates the industry that critics blame for it. Necropsies performed on stranded whales where a cause could be determined have most often identified vessel strikes or entanglement, consistent with the two threats NOAA and independent marine mammal researchers have documented for decades, well before offshore wind became a significant presence off the U.S. East Coast.

Scientists caution that this does not mean offshore wind construction carries zero risk to marine life. Pile driving during turbine foundation installation generates loud underwater noise that agencies regulate through seasonal restrictions, sound-dampening technology, and mandatory visual and acoustic monitoring for whales before and during construction. These are precautionary measures designed to address a plausible but unproven risk, not an admission that turbines are already killing whales. The distinction between prudent environmental monitoring of a new industry and the specific, evidence-free claim that current wind farm activity is causing recent whale deaths is the central point disputed by NOAA, BOEM, and independent marine scientists. Marine biologists who study large whale populations note that separating a plausible-sounding but unproven claim from the well established causes of whale mortality matters for conservation policy, since resources spent chasing an unsupported explanation are resources not spent addressing the vessel-strike and entanglement risks that the evidence actually points to.

Common claims

  • Offshore wind turbines are killing whales off the U.S. East Coast.Not supported
  • Federal agencies have found no evidence linking current offshore wind survey work to whale deaths.Supported
  • Known major threats to large whales include vessel strikes and fishing gear entanglement.Supported

Evidence hierarchy

01NOAA FAQ on offshore wind and whalesNOAA states there is no scientific evidence linking offshore wind site characterization surveys to whale deaths and no known links between large whale deaths and ongoing offshore wind activities.02BOEM offshore wind activities and marine mammal protectionBOEM explains mitigation measures and states that assessed survey activity is not likely to injure whales.03BBC fact-check on Trump's whale claimBBC reports that NOAA found no known links between recent whale mortality and offshore wind surveys.04Tethys summary of offshore wind development and whalesSummarizes current evidence and protective measures, again finding no link between ongoing wind activities and large whale deaths.05Experts weigh in as Trump labels offshore wind dangerousMarine scientists quoted say there is no evidence linking whale deaths to turbine activity.

All sources

Related terms

Trump Is A LiarFirehose of FalsehoodCO2 is not a greenhouse gasClimate has always changed, so humans aren't the cause