Video Description:  Earth's energy balance is very delicate. Small changes may have a big impact. How might changes in Earth's land and atmosphere impact this delicate balance? How might this knowledge be used to help us take better care of Earth?  Video Length:  2:31.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.