Monday, June 1
On this date in 2002, the first national law prohibiting “light pollution” went into effect. Thanks to Czech astronomers who lobbied for the legislation, the Czech Republic became the first nation to outlaw excess outdoor lighting, and required all outdoor lighting to be directional and shielded. If you’re reading this book, you realize the consequences of light pollution and the role it plays in astronomy. Why not do some lobbying of your own today?