Environmental Learning and Stewardship in Howard County, MD

Bring your enthusiasm for the environment to eight weeks of classes on Thursdays starting Feb 3, 2022.

Join others who care, meet experts in the field, and make a difference in the world!

2019 Class at NASA Goddard
2019 Class at NASA Goddard

Class at Belmont
Class at Belmont

2020 Class at NASA Goddard
2020 Class at NASA Goddard

2019 Class at NASA Goddard
2019 Class at NASA Goddard

HoLLIE 2021 was an all-virtual program due to COVID.  We are thrilled to report that HoLLIE Winter 2022 will be an in-person program once again!

To find the video recordings and other materials from our 2021 virtual program click here

For details about the planned Winter 2022 program click here


To find resources on climate change, environmental education, volunteerism, local ecology and more, keep reading...

What's your Environmental Passion ???

Whether you have lifetime, a day, or an hour, there is something you can do to help!

Hover or tap on the circles to find what interests you most, then click Go! to see a list of related organizations.

Waste -

Recycling - 

Sustainability -


Plants - Animals -

Forests - Parks -

Nature Centers


Clean Water - 

Rivers -

Chesapeake Bay and Watershed


You can start small and still help a lot!

Climate Change -

Global Climate Science -
Climate Action


Environmental Legislation - 

Environmental Justice


Farming -

Farm to Table - 

Gardens - 

Healthy Food


  How to get started:

  • Explore the circles

  • Click Go! to see a list of related environmental organizations in and around Howard County

  • Visit their website

  • Join their email list and stay informed

  • Attend a meeting in person or online if you can

  • Volunteers are needed for everything from office work and making phone calls to event staffing, research, outdoor work, and nature walks.  There are often opportunities to help from home.

Environmental Education - 

Kids Activities -
 Resources for Kids



You can make a difference!


Click the buttons below to learn about HoLLIE

About Us

About the HoLLIE Program

Meet our HoLLIE Coordinators

Local environmental organizations with great opportunities for you to get involved! 

Class Info

Course Descriptions & Syllabus

How to Register

Contact Us

Phone & Email

To NASA Goddard Visitors Center 

News & Alerts

Check for breaking environmental news, opportunities for action, and INCLEMENT WEATHER class notices

Photo Gallery

See what our classes and field trips are like!

Information Resources

Links to websites and videos on environmental topics, resources for discussing climate change, and environmental resources for kids.

Members Only 

Current and former HoLLIE participants can register by clicking this button or on the News-Blog page.  You must be registered to comment on our blog posts, get email notices of new posts, and access class materials.