Question of the week: What do you do to keep children safe from household poisons?

Each week we ask a question related to the environment. Please let us know your thoughts as comments. Feel free to respond to earlier comments or post new ideas. Previous questions.

Every 13 seconds, U.S. Poison Control Centers receive a call about someone being exposed to a poison. Forty percent of those cases involve a child under three years of age.  March is National Poison Prevention Month.

What do you do to keep children safe from household poisons?