By Julie Thibodeaux

As we brace ourselves for the hottest days of the summer, this week, all of our picks take place in the cool indoors. So chill out while you learn something new.

WHALE WATCH 

You can still catch the acclaimed documentary Blackfish at the Angelika in Dallas this weekend. Don't miss this riveting film, which follows the tragic tale of the performing whale Tilikum. It will change how you view marine animal entertainment parks. DETAILS.

WATER TOPICS ON TAP

One approach to enduring these dry hot days is redoubled our efforts to conserve water. Live Green in Plano aims to educate residents to take proactive measures with Tackling Indoor Water Use, Saturday, Aug. 17, at 9:30 a.m.

Learn about fixing leaks and get tips for water conservation while checking out the water conserving features at the LEED-certified Environmental Education Center. Free. DETAILS.

JUICED UP

We bet you’ll get a charge out of meeting some real electric car buffs by attending the North Texas Electric Auto Association's monthly gathering Aug. 17 at 10 a.m. at the Dallas MakerSpace.

Many of the members are refurbishing old cars, motorcycles and even tractors with electric motors. Newcomers welcome.  DETAILS.

LONG HAULERS

Learn everything you need to know to start backpacking from the seasoned experts of the Dallas Sierra Club. The Beginner Backpacking class will be held Saturday, Aug. 17, at 10:30 a.m. at REI. A lunch of backpacking food is included. Cost $30. DETAILS.

Julie Thibodeaux covers environmental issues, green topics and sustainable living for Green Source DFW. Previously, she worked as an editor and writer at the Fort Worth Star-Telegram. Send your green bulletin items to Julie@greensourcedfw.org. Follow us on Facebook, Twitter  and Pinterest.