GLOBE’s Spring Cloud Challenge is reaching the half way mark, and we are seeing widespread participation. Observations from more than 24,000 locations have come in since March 15, providing thousands of cloud photos for NASA scientists. You still have two weeks to participate. The individuals who submit the most photos will be recognized on video by a NASA scientist. Want to join the challenge? Just download the GLOBE Observer app and start observing clouds. Here are some tips for taking the perfect GLOBE Observer cloud photo.  >>

The GLOBE Observer app is now enhanced with a number of new features and fixes.The recent update fixed several bugs, and reduced the download size of the app by about 50%. Additions included an "Opt-in" feature, new information links, an instruction graphic, and links that take you directly to the GLOBE Observer website and social media accounts.  >>

The GLOBE Observer App now offers several different languages translations: Arabic, Dutch, English, French, German, Hindi, Portuguese, Russian, Spanish and Vietnamese!  >>

Volunteer for Earth. This and more in this week's edition of the roundup. 1. VOLUNTEER: This Wednesday, December 5th is International Volunteering Day. What will you do to celebrate? Learn More 2. CITIZEN SCIENCE: Making citizen science observations is a good way to volunteer for our home planet. You could take observations of the clouds, sky and land, as well as help fight disease by looking at mosquito habitats. Learn more about how to make observations in the link below. Get the App 3. WORLD SOIL DAY: Wednesday is also...  >>

Happy almost-Halloween, everyone. This and more in this week's edition of the roundup. 1. FALL FOLIAGE: Have you been noticing color changes in the landscape around you? How about fall foliage? You can capture what you see with the Land Cover tool within the GLOBE Observer app. And if you haven't seen it already check out the some NASA's favorite fall foliage space views of Earth in the link below. Autumn Around the World Video  >>

Our Land Challenge is finishing up and more in this week's edition of the roundup. 1. LAND CHALLENGE: There are just a few days remaining in our Land Challenge -- ends October 1st (NASA's 60th anniversary). All participants will receive a virtual badge if they make an observation between now and October 1st. The top 10 observers will receive a digital certificate and be recognized by name by a NASA scientist on GLOBE Observer social media. More About the Challenge Preview the Badge General Video About the Land Cover Tool  >>

Happy Anniversary to Us! It's been two years and in this week's roundup we are walking down memory lane. 1. ANNIVERSARY: Our team has grown and changed somewhat over the last two years. As has the app: We first started with one tool: Clouds (back in the fall of 2016). Then added the option of sky color and more to Clouds in March 2017. Then came Mosquito Habitat Mapper in the spring of 2017. Recently, The GLOBE Program and the GLOBE Observer app have joined with the Department of State to help in the fight against zika with the GLOBE Zika Education and Prevention Project. This project is on going, but already has trained many in mosquito-disease-prone countries.  >>

The summer is just flying by. And it has been a hot one for many parts of the world. Fires, clouds and more in this week's edition of the roundup. 1. CALIFORNIA FIRES: Fires are blazing in California and causing large clouds: "The heat generated by intense wildfires can churn up towering pyrocumulus and pyrocumulonimbus clouds, which lift smoke above the boundary layer, the lowest part of the atmosphere. “The hotter a fire burns, the higher up smoke can go, and the farther it can spread,” explained Amber Soja, an atmospheric scientist with the National Institute of Aerospace who is based at NASA’s Langley Research Center."  >>

It's been a busy time here at NASA GO and we have so many exciting things to share with you all this week. This and more in this week's edition of the roundup. 1. IMAGE OF THE WEEK: Check out these interesting looking clouds and the color within. They are call "Glories." "If you have ever seen a series of concentric rings of color near a mist or fog, you have likely seen a glory. This colorful optical phenomenon, bright red on the outside and blue toward the center, forms when water droplets scatter sunlight back toward a source of light."  >>

The Olympics, ICE-POP and more in this week’s edition of the roundup.  >>