It wasn't until the 19th century that the word "pollution" came to be associated with humans' degradation of the natural world. Before the Industrial Revolution, "pollution" had purely religious and moral connotations to do with impurity and defilement.

In this second series on troublesome words, I want to look at common problems for people learning English as a second language.

Raising bilingual children can be challenging, but it is also rewarding — for parents and children alike.

I discuss the evolution of English between the Middle Ages and the Modern Era