- Food for Thought (Earthwatch)
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Amazon
From $7.95 (New)
From $7.95 (New)
| Latest | $7.95 Mar 26, '16 |
| Highest | $7.95 Feb 8, '16 |
| Lowest | $7.95 Feb 8, '16 |
| Average | $7.95 (30d avg) $7.95 (Lifetime average) |
| Added | Feb 8, 2016 |
| Latest | $3.95 Mar 26, '16 |
| Highest | $3.95 Mar 26, '16 |
| Lowest | $0.01 Feb 8, '16 |
| Average | $0.01 (30d avg) $0.01 (Lifetime average) |
| Added | Feb 8, 2016 |
| Latest | $0.98 Mar 26, '16 |
| Highest | $0.98 Mar 26, '16 |
| Lowest | $0.20 Feb 8, '16 |
| Average | $0.20 (30d avg) $0.20 (Lifetime average) |
| Added | Feb 8, 2016 |
Part of a series which explains how human activities affect the earth, starting with investigations and suggestions to help children explore their local environment and extending these to look at larger global questions. This book asks why we need clean air and how dirty air affects plants, animals, soil and buildings.