Matters of scale.

• Position: Brief Article - Statistical Data Included

MATTERS OF SCALE OFFICIAL REPORT CARD Progress Report of Planet Earth, from Rio to Johannesburg, Grade _____ SUBJECT 1992 Share of the world's 10 percent coral reefs damaged by human pressures and global warming (1) Annual world carbon 5,992 million tons emissions from fossil of carbon fuel burning (2) Forest cover, worldwide 3.963 billion hectares (3) (14.6 million (4.5 % plantations) hectares cleared per year (1990) with 5.2 million hectares of aforestation) Human population 5.4 billion Annual population growth 81 million people/year rate (4) Approximate number of 1.1 billion (1990) people without access to clean drinking water (5) Number of people living 2.36 billion (1990) without adequate sanitation (6) Number of adults who are 893 million (1990) illiterate (7) Number of people living 1.3 billion (1990) on less than the equivalent of $1 a day ...on less than $2 a 2.7 billion (1990) day (8) Percentage of people 43.5 (1990) living in urban areas Number of people living 2.3 billion (1990) in urban areas (9) Contribution of develop- 73 billion ment aid from top 15 donor countries (2000 dollars) (10) SUBJECT 2002 Share of the world's 27 percent (2000) coral reefs damaged by human pressures and global warming (1) Annual world carbon 6,553 million tons emissions from fossil of carbon (2001) fuel burning (2) Forest cover, worldwide 3.869 billion hectares (3) (14.6 million (5% plantations) hectares cleared per year (2000) with 5.2 million hectares of...