Monthly Archives: April 2021

Pest plants and animals leave a chilling $1.7 trillion bill

These species can threaten the health of plants and animals, including humans. And they cause enormous economic damage. They are one of the most harmful environmental forces on earth. They have colonized just about every place humans have set foot on the planet. Yet you may not even know they exist. We are talking about […]

How plants and animals steal genes from other species to speed up evolution

Grassland in Uganda. Credit: Luke Dunning, author provided little did biologist Gregor Mendel know that his experiments with sweet peas in the garden of a monastery in Brno, Czech Republic, will lay the foundation for our understanding of modern genetics and heredity. His work in the 19th century helped scientists establish that parents transmit their […]

David Suzuki: Are we being too hard on newly arrived plants and animals?

Thanks to warming climates and habitat destruction, ‘invasive species’ narratives have begun to shift JMrocek/iStock/Getty Images Plus Feral pigs are considered an invasive species in Ontario. As human activity continues to heat the planet and destroy wildlife habitat, plants and animals are responding based on their genetic makeup and ability to adapt to changed environments. […]

Climate change could cause ‘irreversible impacts’ on lake ecosystems

By Ayesha Tandon New research shows that lake “stratification periods” – a seasonal separation of water into layers – will last longer in a warmer climate. These longer stratification periods could have “far-reaching implications” for lake ecosystems, according to the article, and can lead to toxic algal blooms, fish kills and increased methane emissions. The […]

Pest plants and animals leave a $1.7 trillion bill

Credit: Shutterstock They are one of the most harmful environmental forces on earth. They have colonized just about every place humans have set foot on the planet. Yet you may not even know they exist. We are talking about exotic species. Not little green aliens, but invasive plants and animals not native to an ecosystem […]