This crossword and wordsearch resource are ideal brainteasers for use as a starter or recap of sustainability. It is very relevant to COP26 and to **Science week 2021. ** Ideal cross curricular resources that can be used in science, geography or CSPE. A QR code allows students to use their mobile device to access the UN website revising the** SDG’s** and what they stand for. ** Answers included.** This resource is also available as part of a complete lesson on COP26. You can view it at the following link https://www.tes.com/teaching-resource/-12599392