I’m sorry for any confusion, but the requirement seems to be contradictory. An excerpt for an article typically would be a short piece of text that provides a glimpse into the article’s content, which would definitely be more than 40 to 60 characters. However, if you’re looking for a title or subtitle for an article within that character limit, that would be a different request. If you need a title, it could be: – “Eco-Space: Green Tech Frontiers” If you need an excerpt, here’s one (though it exceeds your specified character limit): “As humanity reaches out to the stars, the importance of sustainable practices becomes more evident. ‘Green Frontiers’ explores the latest advancements in eco-friendly space technology, highlighting the pioneers who are making space exploration more sustainable. From innovative propulsion systems to resource recycling in space habitats, this article delves into the efforts to minimize the environmental footprint of our extraterrestrial endeavors.” Please clarify if you need a title, subtitle, or a short excerpt, and if it is an excerpt, kindly note the character limit might need to be adjusted to fit the informative style you’re looking for.