The North Atlantic right whale once numbered roughly 10,000–12,000 whales across the North Atlantic. But centuries of commercial whaling devastated the population. Although large-scale whaling largely ended in the early twentieth century, the right whale has struggled to recover because of ongoing ship strikes and entanglement in fishing gear. With only about 380 left, right whales are one of the most endangered animals on Earth.
The whale’s fate has recently returned to the center of policy debate after reports that the Trump administration is considering repealing or weakening the East Coast vessel-speed rule designed to reduce deadly ship collisions with whales. The rule requires many vessels traveling through whale habitat to slow to 10 knots. Conservation groups warn that removing the rule could increase the risk of fatal ship strikes.
The pressures facing right whales can be understood through the I=PAT equation, which explains environmental impact as the product of Population (P), Affluence (A), and Technology (T). The concept was introduced in the early 1970s to explain how human population, consumption, and technology combine to drive environmental impacts.
In the case of right whales, I–the impact–consists primarily of ship strikes and fishing-gear entanglements. The P component–human population growth–helps explain why these threats have intensified. As coastal populations expand, demand rises for imported goods, seafood, and recreation. Larger populations require more shipping and boating traffic, increasing the risk of vessel collisions in whale migration corridors.
Population growth also contributes to entanglement risk. Trap-based fisheries have expanded across northeastern United States and eastern Canada, with more than one million vertical buoy lines in the water. As the number of traps increases, the density of rope in right whale habitat rises, making entanglements more likely.
The A component–affluence and consumption–intensifies these pressures. Rising incomes increase demand for seafood and imported goods, expanding both fishing effort and global shipping. Technology (T) can both worsen and mitigate these impacts. Larger vessels and industrial fishing gear have expanded maritime activity, but new tools–such as whale-detection systems, acoustic monitoring, radar sensors, and experimental ropeless fishing gear–may help reduce harm.
Despite the steps taken to mitigate the human impacts to the right whale, unless the pressures created by population growth are addressed, many of America’s most iconic wildlife–from whales to wolves–will continue to be pushed toward extinction. Congress should use its discretion to reduce mass immigration, which would help bring our endangered species back from the brink of being lost forever.