A new peer-reviewed study has found that simultaneous exposure to toxic chemicals and climate change effects may be contributing to declining fertility rates observed across global species, including humans, wildlife, and invertebrates.

Researchers conducted a comprehensive review of scientific literature examining how endocrine-disrupting chemicals, commonly found in plastic products, interact with climate change impacts such as heat stress. The study concluded that these combined exposures likely produce additive or synergistic effects that increase reproductive harm beyond what either factor would cause alone.

The research identifies what scientists describe as an "alarming" pattern affecting fertility and fecundity across diverse species worldwide. Both toxic chemical exposure and climate-related stresses have been independently linked to reproductive problems, but the study suggests their combined impact may be more severe than previously understood.

Endocrine-disrupting chemicals can interfere with hormonal systems that regulate reproduction, while climate change creates additional stressors through temperature extremes, altered precipitation patterns, and habitat disruption. The researchers indicate that the interaction between these factors represents a significant threat to reproductive health across ecosystems.

The findings add to growing scientific evidence documenting widespread fertility declines in various species globally. The study's authors suggest that addressing both chemical pollution and climate change simultaneously may be necessary to protect reproductive health across the planet's ecosystems.