Theme
Plastic
In the Sustainable Challenge, you can earn jewel berries (jewel-colored berries) in colors corresponding to each theme. Accumulating jewel berries allows you to exchange them for special benefits and prizes. Clear each chapter within a theme to collect jewel berries of various colors!
| Name | Gem color | Light color | Berry-earning articles | Birth month |
|---|---|---|---|---|
| amethyst amethyst | #8c52ff |
#8c52ff
|
2 | |
| aquamarine aquamarine | #26bde2 |
#7cd8ed
|
3 Other ways to save water in your daily life [aquamarine] 2 toilets [aquamarine] 1 Bath [aquamarine] 3 Laundry [aquamarine] 2 Vanities [aquamarine] 1 Kitchen [aquamarine] 3 Water Usage in the Home [aquamarine] 2 Water usage [aquamarine] 1 Reasons for water conservation efforts [aquamarine] |
3 |
| emerald emerald | #3f7e44 |
#6db571
|
2 Cooling [emerald] 3 Lighting [emerald] 2 refrigerators [emerald] 2 TV and Standby Power [emerald] 2 Tankless water heaters, water heaters, and bathtubs [emerald] 1 Washer/Dryer [emerald] 1 Lifestyle [emerald] 1 Heating [emerald] 1 What is eco-driving? [emerald] 2 Eco-Driving You Can Start Today ① [emerald] 3 Eco-Driving Tips You Can Implement Today (Part 2) [emerald] 1 What is Smart Move? [emerald] 2 CO2 Emissions by Mode of Transport [emerald] 3 Health Benefits [emerald] 1 CO2 emissions from airplanes and trains [emerald] 2 "Flight shaming" movement [emerald] 3 Choosing Eco-Friendly Transportation Methods [emerald] 1 Diet [emerald] 4 Effects of Eco-Driving [emerald] |
5 |
| garnet garnet | #c5192d |
#e95868
|
1 | |
| lapislazuli lapislazuli | #19486a |
#2c7eb8
|
3 Substitutable items [lapislazuli] 3 Recycle [lapislazuli] 4 Impact on global warming [lapislazuli] |
12 |
| morganite morganite | #dd1367 |
#f1649f
|
4 | |
| pearl pearl | #dda63a |
#ebca8e
|
3 Let's recycle clothes. [pearl] 2 Regarding International Certifications [pearl] Let's take a good look at how it's made. [pearl] 3 Think ahead before you buy. [pearl] 2 Enjoy fashion with reuse! [pearl] 1 I'm going to take good care of the clothes I have now and wear them for a long time. [pearl] 3 Incinerated and Landfilled Clothing [pearl] 2 Mass Disposal Issues [pearl] 1 Fashion and Environmental Impact [pearl] |
6 |
| peridot peridot | #56c02b |
#92de71
|
8 | |
| ruby ruby | #a21942 |
#e03c6e
|
4 Heatstroke [ruby] 3 When bleeding [ruby] 2 When you have a bruise [ruby] 1 When you have burned yourself [ruby] 3 In Case of Emergency: How to Use an AED [ruby] 2 Steps for Using an AED [ruby] What is an AED? [ruby] 3 Things You Can Do to Prevent Dementia [ruby] 2 Support for people with dementia [ruby] 1 What is dementia? [ruby] 2 What can be done for early detection and prevention? [ruby] 1 What is breast cancer? [ruby] 3 How to Improve Sleep Quality [ruby] 2 Risks associated with sleep deprivation [ruby] 1 Importance of Sleep [ruby] 3 Things You Can Do to Prevent Diabetes [ruby] What are the three major complications of diabetes? [ruby] 1 What is diabetes? [ruby] |
7 |
| sapphire sapphire | #00689d |
#00aaff
|
9 | |
| topaz topaz | #bf8b2e |
#ddb673
|
4 What if a light bulb burns out? [topaz] |
11 |
| tourmaline tourmaline | #4c9f38 |
#82cb70
|
3 Benefits of Biodiversity [tourmaline] 3 Four Crises Facing Japan's Biodiversity (Part 2) [tourmaline] 3 Review of consumption behavior [tourmaline] |
10 |
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