252 RE-\DrNGS rS BIOLOGICU. SCIEXCE 



out any retnm of the fssfntia] eloDencs takoL Soil loss is a serious nati<»al 

 diieat; sod coasemdon a great natJooal pix>bkm and need. The soil is 

 a icsoorcc wfaicfa can be used and kept. Soil eidiaustion is not necessan'. 

 Sooie sckils have retained their ferTilit\' after thousands of veors of use, 

 but it has been intelligent use. 



Resoorces such as sral and water, if pioperlv handled, can be used and 

 k^id \Mth them you can eat vour cake and have it too. It is different -with 

 most mmeial resources. The fuels — coal, oil and gi5 — ire stored supplies 

 ol organic origin which have come down from ihe c^e j : ? i5t. If thev 

 arc f ornm^ anWhere today- it is at a rate which is infir : . ■ 1^^ 

 son with that with which thev are bein? used tq>. The ^ -: ~ -\ and 



qQ are Imiited in amount, and \hiien dilate used up: : e e 



is a certain coal tonna^ still in the eardi. Its amount 15 : 

 How many years it wiD fast d^iends on so m2nv fac: . r : - : r : , , j.:i-z 

 forecast can be made. Those already z.iie 5 : l): not of decades, nor mil- 

 lenniums; but of centuries. The storv of ever\~ oil field is cme of discover^' 

 and oploftation, followed bv slow decline to exhaustion. There ire 2 

 definite mm^ber of oil fidds in existEnce. ScMne are known, others are yet 

 to be discovered, \llien the last field has been discovered and exhau5Te i : > e 

 suj^ity of petroknm will be gaoc forever. Then, unless someir rr = -- 

 vented to take its place, we shsl! be driven to the disr^i^riAa 01 Ou. iioir. 

 oBsfaak. 



Coal anc :l ire :;si^ iir^^r : '~z n- f e-;:j : :;: iz :v plants of 

 the geok>e.:i- ri5t. Plant life 5 Ttr : ::r : ire : ::.z fin's energv. It 

 mar be : i: ;;: :ie -.rtit .111 .t it e i_ ::i 1: :: :i and chemists 

 HHV hit on stmie wav :: 1 tcriv catching : t 5:- f er :hat futiuje 



housewives m: ;:" :" _ -.? with pe;: tf in : - i: :r for winter 



siq^phr. Or w:„ zr.t :" r _ : ^ panv of A t . : e : : lish a monopoly? 



If we tAe : t irz r - ir "ould seer : e ; 1: :ne ccmdosion 

 that we ; - ;:: :: : :r z ..r .-.zi irr^' t: ~-.-.z:i\ : t :-;! metak, and 

 that is : :: : ::i J : :^ ;t ; : ;: : 1 ;;: : : ; :rt : : - : : ": 1? we now 

 know I : A :iit::. lit :: 1: ri'm^ :r- :;tf : : i: -. "e. oer- 



hapsfc: 1 :t :- : ::i- 1 t::f :- 1 f _: 5:.r_:ef : ;: :/ ; :; ::: 5 ... :.;.: Bur 

 iclotdcf : : z - :t :- : : r : it ii; irv to return to conditions 

 fike tb: I .1 ireitii: : t -r:tr-:- :e-:i.- . Doubtless some would 

 look 00 such a chai^ with re^naticMi. Tfaer s^e liking whether the 

 Sondav paper, movies and radio, battleships, tanks i-.i 1 :~es. and much 

 of the rest of modem {woductkMi. have realhr n t: : - -\ level. 



Were not manjr men m ShakesTjesre's dav livnig n :_ ^ e^ - - v of us 



now- 



T: vi~ ir Niriie 11 : "e her srizt : r ::e 1 rivoring it A: 

 — 1- " ; 1- - :th-.::. ."z :_7ire. If :i_'ii 1: - :: so well, r.t i_i ; .: 



