peel,. h°''< been di,oppeorlng into extinction Ince they Rnot exi,t,d on this planet, but th• I• 1 100 yur,, h .. ,ceu the rate of extinction leap alarmlngi)'. Extinction should worry w for both pb.ilosophi al and pro ti

h..u bun more 1han 99 percent dk'ct1\'t": in pn."\'l"nting c:xtjnctions. and boasc.s a 90 perc,cnt n:c(wcry r.ne for mort •hin 100 .!pedes a.cross the c.ountr-y. The ESA has allowed miiilons of ,er,. or crllical h•bltat 10

b, d«ignated, so that •P«I con ,ur•

Yh•e ;rnd recover. RC$earc.h: Most Americans ,up·port the ESA a.nd w:i..nt to ste h

$1.tt:ngthrncd. But .some want it w-eakc:ucdo r rrpealcd. How has this law farl!'Ci!n the Tramp proidcr,cyl.

£pyironmont11I Su1-toln■ bllity 281