It turns out one of the surest barometers of the warming climate is the response of the non-human natural world to changing conditions, and biologists who study the responses have been aware for some years the biosphere is acknowledging global warming.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	2:nsubj	_
2	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
3	out	out	ADP	RP	_	2	compound:prt	2:compound:prt	_
4	one	one	NUM	CD	NumForm=Word|NumType=Card	15	nsubj	15:nsubj	_
5	of	of	ADP	IN	_	8	case	8:case	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	8:det	_
7	surest	sure	ADJ	JJS	Degree=Sup	8	amod	8:amod	_
8	barometers	barometer	NOUN	NNS	Number=Plur	4	nmod	4:nmod:of	_
9	of	of	ADP	IN	_	12	case	12:case	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	12:det	_
11	warming	warm	VERB	VBG	VerbForm=Ger	12	amod	12:amod	_
12	climate	climate	NOUN	NN	Number=Sing	8	nmod	8:nmod:of	_
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	cop	15:cop	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	15:det	_
15	response	response	NOUN	NN	Number=Sing	2	ccomp	2:ccomp	_
16	of	of	ADP	IN	_	20	case	20:case	_
17	the	the	DET	DT	Definite=Def|PronType=Art	20	det	20:det	_
18	non-human	non-human	ADJ	JJ	Degree=Pos	20	amod	20:amod	_
19	natural	natural	ADJ	JJ	Degree=Pos	20	amod	20:amod	_
20	world	world	NOUN	NN	Number=Sing	15	nmod	15:nmod:of	_
21	to	to	ADP	IN	_	23	case	23:case	_
22	changing	change	VERB	VBG	VerbForm=Ger	23	amod	23:amod	_
23	conditions	condition	NOUN	NNS	Number=Plur	15	nmod	15:nmod:to	SpaceAfter=No
24	,	,	PUNCT	,	_	33	punct	33:punct	_
25	and	and	CCONJ	CC	_	33	cc	33:cc	_
26	biologists	biologist	NOUN	NNS	Number=Plur	33	nsubj	28:nsubj|33:nsubj	_
27	who	who	PRON	WP	PronType=Rel	28	nsubj	26:ref	_
28	study	study	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	26	acl:relcl	26:acl:relcl	_
29	the	the	DET	DT	Definite=Def|PronType=Art	30	det	30:det	_
30	responses	response	NOUN	NNS	Number=Plur	28	obj	28:obj	_
31	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	33	aux	33:aux	_
32	been	be	AUX	VBN	Tense=Past|VerbForm=Part	33	cop	33:cop	_
33	aware	aware	ADJ	JJ	Degree=Pos	15	conj	2:ccomp|15:conj:and	_
34	for	for	ADP	IN	_	36	case	36:case	_
35	some	some	DET	DT	_	36	det	36:det	_
36	years	year	NOUN	NNS	Number=Plur	33	obl	33:obl:for	_
37	the	the	DET	DT	Definite=Def|PronType=Art	38	det	38:det	_
38	biosphere	biosphere	NOUN	NN	Number=Sing	40	nsubj	40:nsubj	_
39	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	40	aux	40:aux	_
40	acknowledging	acknowledge	VERB	VBG	Tense=Pres|VerbForm=Part	33	ccomp	33:ccomp	_
41	global	global	ADJ	JJ	Degree=Pos	42	amod	42:amod	_
42	warming	warming	NOUN	NN	Number=Sing	40	obj	40:obj	SpaceAfter=No
43	.	.	PUNCT	.	_	2	punct	2:punct	_
