Environment

The Rockwall County Historical Foundation will offer rare access to private land for a presentation about the underground rock formation where it’s been exposed by a small excavation. Experts have speculated on whether the subterranean wall is the work of prehistoric people or simply an unusual geological occurrence. Shuttles will depart the Rockwall County Historical Foundation Museum every half-hour from 1-3 p.m. on May 18. $10. See Texas Highways blog about it.

The North Texas Renewable Energy Group hosts Jeremy Starritt, Frisco environmental services manager, who will present a candid discussion about the recycling process, costs involved and what's going on with e-waste."
 

The North Texas Renewable Energy Group hosts Bill Neukrantz, EE, MBA, who will speak on "Cutting Your Energy Costs in Half - Top 10 Steps." He'll cover lighting, monitoring solutions, building envelope improvement, heating and cooling systems and renewable energy implementation. Free and open to the public.

A special two-night only performance of David Marquis’ play "The Land."  Bring a  picnic  and a blanket or lawn chairs to share this fabulous story with the gorgeous meadow as the backdrop. Suitable for ages 13 and up. $10. 

The Dallas Parks Foundation is hosting a conversation about public spaces, hiking & biking and recreation. Get an inside look at progress taking place in the city, with featured topics including:  

Join Friends of OS Gray Natural Area and the Arlington Parks Dept for this spring cleanup. Bring work gloves and your favorite shovel, gardening tools or litter picker upper. Water and snacks will be available. Info: friendsofosgray@gmail.com.

Fundraising garage sale for the Promise of Peace nonprofit community garden. Donations accepted. Contact: Elizabeth at ejdry54@yahoo.com

This is the Young Sierrans first event for 2013. Help upgrade some of the preserve's beautiful walking trails. No tools are required (maybe gloves). Bring water and snacks. See website for directions: http://www.audubondallas.org/cedarridge.html. 

This 1,400-acre preserve contains one of the last remnants of the Blackland Prairie. Catch a glimpse of many rare plant species or enjoy birdwatching. Pack a picnic lunch and bring the whole family. Contact: Jim Eidson, 903 568-4139 or jeidson@tnc.org.