Biodiversity OLogy
1919 - Today
CONSERVATION
LEGACY
“There is [no question] which compares in importance with the great central task of leaving this land even a better land for our descendants than it is for us,” said Roosevelt. Today, scientists at the American Museum of Natural History and other organizations continue Roosevelt’s legacy to conserve the environment for future generations.
WHY WORK IN CONSERVATION?
AMNH’s Chris Filardi believes conservation work extends beyond the natural world
TODAY
1925
to present
IUCN FOUNDED
Institutions from 18 countries form the first global environmental organization. The International Union for Conservation of Nature’s Red List of threatened animals is used in species conservation
1948
SILENT SPRING PUBLISHED
Conservationist Rachel Carson alerts the public to the health dangers of agricultural pesticides, prompting tighter chemical industry regulation and, in 1972, the U.S. ban on DDT
1962
FIRST EARTH DAY
Earth Day, celebrated annually worldwide to increase awareness of environmental issues, marks the beginning of the modern environmental education movement
1970
APRIL
EPA FOUNDED
The U.S. creates its first agency dedicated to protecting environmental health
1970
DECEMBER
NARINDER KAKAR
In Stockholm, the U.N. holds its first major conference on international environmental issues
1972
ENDANGERED SPECIES ACT
Though Roosevelt and others made efforts to preserve some threatened species, this U.S. Act finalizes federal protection for endangered species
1973
REGULATING TRADE OF SPECIES
80 nations sign the “CITES” agreement, to ensure that international trade of wild animals and plants does not threaten their survival
1973
1978
to present
JIMMY CARTER
Following in Roosevelt’s footsteps, President Carter sets aside more than 100 million acres
1980
CONSERVING MIGRATORY BIRDS
Shorebirds migrate up to 20,000 miles annually. With bird populations declining, agencies and organizations work to conserve habitats along international migration routes
1986
BAN ON WHALING
The International Whaling Commission’s ban on commercial whaling helps humpbacks (Megaptera novaeangliae) and other populations rebound
1986
MONTREAL PROTOCOL SIGNED
Scientists find Earth’s ozone layer, which blocks harmful UV rays, has an alarming “hole.” An international pact to ban ozone-depleting chlorofluorocarbons (CFCs) was a success; the ozone layer is recovering
1987
1988
BILL CLINTON
During his administration, President Clinton makes conservation a priority
1996
1998
to present
NEW TECHNOLOGIES
Researchers use satellite images to visualize land-cover changes (above, central Vietnam). The images help identify areas in need of protection, and provide a baseline for predicting future changes
2003
NEW SPECIES
Dr. Norman Platnick leads a team inventorying the goblin spider family—and discovering new species
2006
DIRK KEMPTHORNE
Dirk Kempthorne, Secretary of the Interior under President George W. Bush
2006
WARS WREAK HAVOC
A 2007 report links decades of conflict in Sudan with deforestation, land degradation and unsustainable resource consumption. The country works to repair damage, but challenges remain
2007
TODAY
CONSERVING ANIMALS’ HABITATS
Climate change threatens many animals’ habitats, pushing species to smaller and non-native areas
TODAY
NEW YORK CITY GOES GREEN
New York City implemented the ongoing PlaNYC initiative to address climate change, accommodate growing human populations and restore natural systems
TODAY
TODAY
FUTURE OF CONSERVATION
Today’s global population faces continuing challenges, requiring multifaceted approaches
FUTURE
END OF SECTION
To explore Roosevelt’s life, start with Young Naturalist