This week, the world celebrates several initiatives dedicated to the health of the environment and ourselves. Find out how you can take part at events across the country, including mask selfies, free coffee, a sustainable dinner and free fitness classes. <strong>Visit the Last Straw project or get free coffee at Costa Coffee </strong> Costa Coffee celebrates World Environment Day, which is on June 5, with an upcycled straw globe installation at DXB Terminal 3 Arrivals. Last Straw is made from 60,000 straws and reminds viewers to take greater care of our planet. Customers who bring in their re-usable cup on June 5 will get a free coffee from any Costa Coffee store across the UAE. <em>June 5, Costa Coffee locations across the UAE, <a href="http://www.costacoffee.ae">www.costacoffee.ae</a></em> <strong>Don UN Environment masks</strong> For World Environment Day, residents in the Middle East are as being asked by UN Environment to join the Mask Challenge and make a pledge towards beating air pollution. To participate, just post an image on social media of yourself wearing a mask and tag friends to challenge them to do the same. Use the hashtag #BeatAirPollution and #WorldEnvironmentDay as well as tag @UNEnvironment to make your impact known. <strong>Get MyClub points with a Carrefour reusable bag</strong> Buy a reusable bag at Carrefour and get your money back in MyClub points, the loyalty programme that offers discounts and coupons. The durable bags are made from natural fibre, have a sturdy handle and even feature a bright green tree – perfect for World Environment Day – and a stylish way to say no to plastic. <a href="http://www.carrefouruae.com">www.carrefouruae.com</a> <strong>Visit Pierchic in Dubai</strong> Visit Pierchic to celebrate World Oceans Day, which is on June 8, and enjoy haute-cuisine meals created from ethically sourced, sustainable fish and locally grown produce. The limited-edition, five-course menu includes lobster and ricotta ravioli, Hamachi and salmon ceviche (pictured) and ricotta cheesecake. <em>Until June 8, from Dh395 per person, Pierchic, Jumeirah Al Qasr, Dubai, 800 666 353, <a href="http://www.pierchic.com">www.pierchic.com</a></em> <strong>Free fitness and yoga at Jumeirah at Saadiyat Island Resort </strong> Celebrate Global Wellness Day at Spa and Bodyism at Jumeirah at Saadiyat Island Resort. Take part in a free fitness and yoga session followed by a one-hour use of Spa’s wet facilities. Add on two 30-minute treatments from the summer glow menu for an additional Dh280: back, neck and shoulder massage; express facial; body scrub; or foot massage. June 8, 7am; 8am; 9am; 10am, free for fitness and yoga session; from Dh280 for spa treatments, Jumeirah at Saadiyat Island Resort, Saadiyat Island, Abu Dhabi, 02 811 4357, jsispa@jumeirah.com <strong>Free fitness at Mandarin Oriental Jumeira </strong> As part of Global Wellness Day, Mandarin Oriental Jumeira hosts a day of activities including meditation, group exercises and more. The day begins with a healthy breakfast and includes a Mo Max high-intensity class, triggerpoint and mobility session, kickboxing, Zumba, snacks, massages and fitness analysis. June 8, 9.15am to 4.30pm, Mandarin Oriental Jumeira Dubai, 04 777 2222, modub-fitness@mohg.com