The child in white is on the monkey bars, while the one in brown stands below.
Two children outside on the playground.
21 Note that the Environmental Economics Advisory Committee (EEAC) of the SAB advised EPA to adjust WTP for increases in real income over time, but not to adjust WTP to account for cross-sectional income differences because of the sensitivity of making such distinctions, and because of insufficient evidence available at present (EPA-SAB-EEAC-00-013).