Flexibility in the method for establishing the level of requirements can make swift improvement of environmental performance easier.
1	Flexibility	flexibility	NOUN	S	Number=Sing	12	nsubj	_	_
2	in	in	ADP	E	_	4	case	_	_
3	the	the	DET	RD	Definite=Def|PronType=Art	4	det	_	_
4	method	method	NOUN	S	Number=Sing	1	nmod	_	_
5	for	for	ADP	E	_	6	mark	_	_
6	establishing	establish	VERB	V	VerbForm=Ger	4	acl	_	_
7	the	the	DET	RD	Definite=Def|PronType=Art	8	det	_	_
8	level	level	NOUN	S	Number=Sing	6	obj	_	_
9	of	of	ADP	E	_	10	case	_	_
10	requirements	requirement	NOUN	S	Number=Plur	8	nmod	_	_
11	can	can	AUX	VM	Mood=Ind|Person=3|Tense=Pres|VerbForm=Fin	12	aux	_	_
12	make	make	VERB	V	VerbForm=Inf	0	root	_	_
13	swift	swift	ADJ	A	Degree=Pos	14	amod	_	_
14	improvement	improvement	NOUN	S	Number=Sing	12	obj	_	_
15	of	of	ADP	E	_	17	case	_	_
16	environmental	environmental	ADJ	A	Degree=Pos	17	amod	_	_
17	performance	performance	NOUN	S	Number=Sing	14	nmod	_	_
18	easier	easier	ADJ	A	Degree=Cmp	12	xcomp	_	SpaceAfter=No
19	.	.	PUNCT	FS	_	12	punct	_	_
