<s>
Forestle	B-Application
was	O
an	O
ecologically	O
inspired	O
search	B-Application
engine	I-Application
created	O
by	O
Christian	O
Kroll	O
,	O
Wittenberg	O
,	O
Germany	O
,	O
in	O
2008	O
and	O
discontinued	O
in	O
2011	O
.	O
</s>
<s>
Forestle	B-Application
supported	O
rainforest	O
conservation	O
through	O
donations	O
of	O
ad	O
revenue	O
and	O
aimed	O
to	O
reduce	O
emissions	O
.	O
</s>
<s>
It	O
is	O
quite	O
similar	O
to	O
the	O
search	B-Application
engine	I-Application
Ecosia	O
,	O
which	O
plants	O
new	O
trees	O
with	O
its	O
ad	O
revenue	O
.	O
</s>
<s>
Forestle	B-Application
was	O
briefly	O
associated	O
with	O
Google	B-Application
before	O
associating	O
with	O
Yahoo	B-Application
.	O
</s>
<s>
Forestle	B-Application
saved	O
0.1	O
square	O
meters	O
(	O
about	O
0.12	O
square	O
yards	O
)	O
of	O
rain	O
forest	O
per	O
search	O
event	O
.	O
</s>
<s>
The	O
Nature	O
Conservancy	O
used	O
these	O
donations	O
by	O
Forestle	B-Application
to	O
sustain	O
rain	O
forests	O
.	O
</s>
<s>
A	O
Forestle	B-Application
search	O
was	O
also	O
essentially	O
CO2-neutral	O
,	O
as	O
Forestle.org	O
offsetted	O
the	O
carbon-dioxide	O
emissions	O
caused	O
by	O
electricity	O
consumed	O
by	O
all	O
Forestle	B-Application
servers	O
,	O
the	O
network	O
infrastructure	O
as	O
well	O
as	O
the	O
computers	O
of	O
each	O
user	O
by	O
purchasing	O
an	O
equivalent	O
amount	O
of	O
renewable	O
energy	O
certificates	O
.	O
</s>
<s>
This	O
made	O
Forestle	B-Application
one	O
of	O
the	O
few	O
web	B-Application
search	I-Application
sites	I-Application
that	O
are	O
green	O
certified	O
.	O
</s>
<s>
The	O
number	O
of	O
search	O
requests	O
on	O
Forestle.org	O
continued	O
to	O
increase	O
significantly	O
:	O
Within	O
two	O
months	O
,	O
it	O
increased	O
more	O
than	O
sixfold	O
from	O
about	O
4,000	O
per	O
day	O
on	O
average	O
in	O
December	O
2008	O
to	O
more	O
than	O
24,000	O
per	O
day	O
in	O
February	O
2009	O
.	O
</s>
<s>
The	O
report	O
about	O
Forestle	B-Application
in	O
a	O
major	O
German	O
newspaper	O
end	O
of	O
February	O
2009	O
transiently	O
boosted	O
the	O
number	O
of	O
search	O
events	O
on	O
Forestle.org	O
within	O
a	O
week	O
(	O
3	O
March	O
2009	O
)	O
close	O
to	O
its	O
all-time	O
maximum	O
.	O
</s>
<s>
The	O
degree	O
of	O
impact	O
of	O
Forestle.org	O
and	O
similar	O
kinds	O
of	O
'	O
green	O
 '	O
search	B-Application
engines	I-Application
is	O
discussed	O
;	O
the	O
(	O
now	O
removed	O
)	O
note	O
on	O
Forestle	B-Application
to	O
not	O
click	O
on	O
advertisements	O
to	O
'	O
help	O
 '	O
achieving	O
larger	O
advertisement	O
revenues	O
was	O
particularly	O
criticized	O
.	O
</s>
<s>
The	O
site	O
pioneered	O
a	O
thumbnail	O
website	O
preview	O
for	O
all	O
search	B-Application
results	I-Application
.	O
</s>
<s>
The	O
language	O
chosen	O
for	O
indicator	O
search	O
is	O
automatically	O
associated	O
,	O
so	O
a	O
search	O
on	O
the	O
US	O
web	O
site	O
http://us.Forestle.org	O
or	O
on	O
the	O
British	O
web	O
site	O
http://uk.Forestle.org	O
leads	O
to	O
a	O
search	O
on	O
English	O
Wikipedia	O
http://en.wikipedia.org	O
and	O
a	O
search	O
on	O
the	O
German	O
web	O
site	O
http://de.Forestle.org	O
(	O
or	O
on	O
the	O
Austrian	O
Website	O
http://at.Forestle.org	O
)	O
leads	O
a	O
search	O
on	O
German	O
Wikipedia	O
http://de.wikipedia.org	O
.	O
</s>
<s>
Forestle	B-Application
also	O
provided	O
several	O
browser	O
plugins	O
,	O
could	O
be	O
added	O
to	O
iGoogle	O
and	O
was	O
available	O
in	O
English	O
and	O
German	O
(	O
full	O
versions	O
)	O
as	O
well	O
as	O
in	O
Spanish	O
and	O
Dutch	O
(	O
details	O
partially	O
in	O
English	O
)	O
..	O
</s>
<s>
On	O
November	O
27	O
,	O
2009	O
,	O
Forestle	B-Application
received	O
the	O
Utopia	O
Award	O
as	O
an	O
exemplary	O
organisation	O
enabling	O
us	O
to	O
live	O
more	O
sustainably	O
.	O
</s>
<s>
The	O
Jury	O
emphasizes	O
that	O
Forestle	B-Application
"	O
offers	O
a	O
simple	O
and	O
strong	O
possibility	O
to	O
contribute	O
to	O
protect	O
existing	O
rain	O
forest	O
through	O
the	O
use	O
of	O
an	O
everyday	O
 [ ... ] 	O
service	O
"	O
and	O
that	O
"	O
thereby	O
Forestle	B-Application
unfolds	O
a	O
high	O
effectiveness	O
and	O
sharpens	O
the	O
consumers	O
 '	O
sense	O
for	O
the	O
impact	O
of	O
consumer	O
behavior	O
"	O
.	O
</s>
<s>
Forestle	B-Application
was	O
associated	O
to	O
Google	B-Application
until	O
Google	B-Application
revoked	O
the	O
site	O
's	O
search	O
functionality	O
after	O
four	O
days	O
due	O
to	O
a	O
dispute	O
over	O
whether	O
their	O
terms	O
of	O
service	O
were	O
being	O
broken	O
.	O
</s>
<s>
Forestle.org	O
stated	O
that	O
Google	B-Application
had	O
not	O
actually	O
given	O
reasons	O
for	O
stopping	O
the	O
association	O
.	O
</s>
<s>
At	O
the	O
time	O
,	O
Forestle	B-Application
posted	O
a	O
message	O
on	O
their	O
website	O
stating	O
that	O
Google	B-Application
had	O
contacted	O
them	O
and	O
explained	O
the	O
reason	O
for	O
banning	O
Forestle	B-Application
from	O
using	O
their	O
Google	B-Application
Custom	O
Search	O
.	O
</s>
<s>
The	O
action	O
by	O
Google	B-Application
to	O
not	O
further	O
support	O
Forestle	B-Application
immediately	O
drew	O
international	O
attention	O
.	O
</s>
<s>
Details	O
about	O
the	O
conflict	O
between	O
Google	B-Application
and	O
Forestle	B-Application
are	O
debated	O
.	O
</s>
<s>
Forestle	B-Application
became	O
associated	O
with	O
Yahoo	B-Application
later	O
.	O
</s>
<s>
Forestle	B-Application
was	O
discontinued	O
and	O
redirected	O
to	O
a	O
similar	O
search	B-Application
engine	I-Application
Ecosia	O
on	O
January	O
1	O
,	O
2011	O
.	O
</s>
