Both scientists will receive the US$500,000 prize from Sweden’s Queen Silvia in Lund at the 25th anniversary celebrations of the award this April.
Trivers, a professor at Rutgers University in New Brunswick, New Jersey, takes home the prize for his work in explaining the social behavioural patterns of animals.
Broecker, a professor at Columbia University in Palisades, New York, was honoured for his research into the processes of climate changes and the interaction between the atmosphere, the ocean ice and living organisms.
The prize itself is named after Holger Crafoord, the Swede who designed the first artificial kidney. It highlights scientific research in areas not covered by the Nobel Prizes, including mathematics, astronomy and biosciences.